纬纱线

Six Little Mice Sat Down to Spin Six little mice sat down to spin, Pussy passed by, and she peeped in. What are you doing, my little men? Making coats for gentlemen. Shall I come in and bite off your threads? No, no, Miss Pussy, you'll bite off our h

发表于:2019-01-09 / 阅读(347) / 评论(0) 分类 鹅妈妈童谣

A single fibre of wool is very weak, but by means of a machine these fibres are twisted together to make woollen yarn, which is a strong, loose thread. This twisting together of the fibres is called spinning. The fibres are curly or wavy, and are als

发表于:2019-01-17 / 阅读(125) / 评论(0) 分类 英国学生科学读本

She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da

发表于:2019-01-22 / 阅读(130) / 评论(0) 分类 自然百科2013年

Lesson19 A reel of cotton 第19课 一卷棉线 Let us take some of the white cotton off this reel, and try to find out what the thread of cotton is made of. We can pull the white thread to pieces, and then we see that it is made of many short fibres

发表于:2019-02-13 / 阅读(190) / 评论(0) 分类 英国学生科学读本

今天Larry 和Li Hua 下课以后一起去吃午饭,Li Hua 会学到两个常用语:threads 和load up。 (campus noise) LL: Hey, Li Hua, those are nice threads you're wearing. LH: Threads? - 那不

发表于:2019-02-20 / 阅读(210) / 评论(0) 分类 美国之音《流行美语》
学英语单词
a hempen cravat
absitomen
accelerated gene
acethion
airshafts
Alcadozo
Aliphatresin
antirepression
appraisal of plant assets
atri-
bhima r.
bioneers
Blacksod B.
blowjobbing
capital budgeting functions
child hygiene
chin-chinning
Civil Right Acts
coefficient of dynamic viscosity of air
collisionless tearing mode instability
common-mode rejection factor
conclusion of business
condenser terminal difference
conneting rod fork
constant-pressure deflagration
crabling
data-exchange system
defruiter
Dipledidae
disenteration
disorderly house
disulfonic acid
doublemeat
drosera lureiri hool. et arn.
duct sound absorber
eclamptic malaria
empoison
Encinarejo, Embalse del
European elm
fatigue resistivity
fenamic acid
firsthood
flake theristor
flocculent yeast
flood and field
fluidization efficiency
fukuzawa
gas proofing
gloopily
Gregorian chant
high declination star
hraha
ictero-hemoglobinuria
in trust (for)
income-support
inerubescent
infinite field
kesterites
key move
lasches
logged on time
long-track
lung Qi obstruction
magilp
manganese tool steel
Many Peaks
marketable turtle culture
max flow min cut theorem
menthyl chloride
neurodermometry
neuroeffectors
node of a truss
non stop shuck
oaritis
panelus maedai
parallelohedra
pBsrev
pibrochs
Priestewitz
pseudoresonant
pushf
rheingold
Safīd, Chashmeh-ye
searching unit
self division
setzler
shatter mark
Shchuch'ye
solenoid field
statistical investigation
tempestively
terminalina
test harness
time sequence model
translucences
trihedral vertex
velamenta
vertical file
Vicente, Point
west-indian
wholly - owned subsidiary
xmtr off light