音标:[əʊ'pɜːkjʊləm] ;
n. 鳃盖;藓盖;果盖

operculum的用法和样例:

词汇搭配

  • valve of operculum盖瓣(介壳虫)...
  • anal operculum肛盖
  • ovum operculum卵盖
  • genital operculum生殖厣

经典引文

  • The..'grandfather clock' pediment with its round operculum.

    出自:Time

Ross Dunn Witnesses say hundreds of Israeli soldiers have been deployed in southern Gaza. The forces, which include armored, engineering and infantry units, backed by tanks, bulldozers and helicopter

发表于:2018-12-08 / 阅读(120) / 评论(0) 分类 VOA2004(上)--巴以冲突

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now, operah one-on-one on a revealing interview with reality star kim kardashian , about really what's wrong with her broken marriage to a basketball player,and what about the superstar singer she is currently dating,maybe John has a first~,good morn

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Jake was tired of his job. Hed been doing it for 10 years, and it wasnt getting any easier. He was a hospital orderly. Thats a vague title that covers many specific dutiessome of which are quite unpleasant. Whenever a patient threw up, for example, i

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Jake was always sick. He repeatedly got infectionsmostly colds or the flufrom patients. He considered himself lucky to be alive, considering what hed read about deadly bacteria and viruses that were developing immunity to all the latest drugs. A hosp

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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 白领美丽英文诵典365

By Robert Berger Jerusalem 01 March 2008 At least 46 Palestinians have been killed in escalating Israeli raids in the Gaza Strip. Palestinian hospital officials say a number of the Palestinians killed were civilians. The others are believed to be Pal

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NATO warships have launched an anti-piracy operation off the coast of Somalia by escorting one ship to port with plans for a similar operation on Tuesday. Lisa Bryant has more from Paris. The NATO operation aims to help calm the situation off Somali

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By Heda Bayron Hong Kong 28 September 2009 The Philippines has appealed for international assistance following the worst flooding in more than 40 years. At least 140 people have been killed as a result of the heavy rains and, as the death toll from

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今天我们要学的词是calculated。 Calculated, 意思是精心策划的,蓄意的。 It was a calculated crime, 这是一起蓄意犯罪。 He considered the criticism a calculated insult, 他觉得那番批评是对他的蓄意侮辱。 美国

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By Deborah Tate Capitol Hill 09 March 2006 A company based in the United Arab Emirates, Dubai Ports World, says it is transferring management operations at six U.S. ports to a U.S. entity. The surpris

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By Nico Colombant Dakar 18 June 2007 West Africa is increasingly becoming a transit point -- as well as a stopping point -- for illicit drugs. So far, local governments have proven incapable to combat the trend. VOA's Nico Colombant reports from our

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unit 356 物品维修 dialogue 英语情景对话 A:Excuse me. A:打扰一下。 B:Yes? B:有什么事吗? A:I bought this circulador here yesterday but it doesn't work. A:我昨天在这儿买了个计算器,可这是个坏的。 B:Oh, let's see

发表于:2019-02-22 / 阅读(304) / 评论(0) 分类 高频英语口语对话

The Republican presidential hopeful Donald Trump has called for a temporary but total ban on Muslims entering the US. Mr. Trump said that recent polling showed that many Muslims nursed hatred towards America. Jenner Bryon is in Washington. In his sta

发表于:2019-02-23 / 阅读(111) / 评论(0) 分类 英语听力精选进阶版
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addition(gene)effect
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allotrisomics
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battery manganese
bevel-square
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body side bearing beam
broad-leaved tree
button stick
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ciliary neurotrophic factor
combinationlathe
concem
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crystalline chloral
derestrict
derouine
dibutylphosphate(DBP)
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emulsion break
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expert on folklore
ferruginea Chlamydothrix
figure-four
fish stocks
frequency-selective element
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gammer
guide for steam spindle
hard detergent
helix of cylindrical worm
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Homalium laoticum
house service wire
hyracid
incoming resynchronization pending
kaza
lambdagram
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leahs
lens paper culture
liquid protein
Lister's antiseptic
Malda
malternative
marmaris
meat-eating
milk ripe
monophosphides
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nasreddine
night and silence
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nonconductive tweezer
north magnetic pole
ocean delta
oidium agrimoniae
olwig
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originator/recipient address (o/r address)
Osborne Effect
photochemical separation
photographic reducer
plane of datum
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progynon
proof spirit
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relative equilibrium
required pressure
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robatumumab
run upon
satellite cloud picture
satinizing
selenoketones
slogging
straverser
tabourine
tax form
tetrachlorocyclopentadiene
the Messiah
u.v.
ultrapure silicon tetrachloride
unvisual
us alliance
used to be
uterine mucous membrane
velcro-jump
Vendarcin
Waldens' rule
wars of religion
weather information
welding arc
whtite pepper