时间:2018-12-18 作者:英语课 分类:英国学生科学读本


英语课

   and hang it point downwards 1 from a strip of wood placed across the top of a wide-mouthed bottle, or a pickle-glass, or a tumbler, half full of water. 然后尖头朝下悬挂在一片横放在装有半瓶水的宽口瓶、泡菜瓶或平底玻璃杯口的木片之上。


  The point of the acorn 2 should barely touch the top of the water; 橡子的尖端应该正好与水面接触;
  and you must add a little water from time to time to keep the liquid up to this mark. 你必须要经常往瓶中加水, 确保水位保持平稳。
  It is best to hang up the acorn by threads of cotton. 最好使用棉线来悬挂橡子。
  Keep the glass in the dark till the acorn begins to sprout 3, 你需要将瓶子放在黑暗处, 直到橡子开始发芽。
  and then you may place it on your mantel-piece and watch it slowly change into a little oak-tree. 随后, 就可以把它放在壁炉架上, 看着它逐渐成长为一棵小橡树。
  The "oak-apples, " or little brown balls about the size of marbles, which you see on some oak-trees, are not the fruit of the tree, 有时候, 你可以在一些橡树上看到弹珠大小的棕色小球, 这些“树瘿”古译“橡树的苹果”, 可不是橡树的果实,
  but "galls 4, " or swellings of the bark, produced by certain insects which lay their eggs in the bark of trees.  它们实际上是“虫瘿”, 或者说是树皮上的突起。这是因为有些昆虫在树皮上产卵所致。
  Have you ever seen boys wearing oak-leaves in their hats on the 29th of May? 你有没有看到过孩子们在5月29日这天头戴橡树叶做成的帽子呢?
  This is the date on which Charles the Second entered London, in the year 1660. 1660年的这一天, 查理二世来到了伦敦。
  He had been forced by his enemies to leave England for a time, and he had on one occasion escaped by climbing into an oak-tree. 在敌人的逼迫下, 他有一段时间不得不暂时离开英格兰。有一次, 他就是躲到了橡树的树洞里才躲过了劫难。

1 downwards
adj./adv.向下的(地),下行的(地)
  • He lay face downwards on his bed.他脸向下伏在床上。
  • As the river flows downwards,it widens.这条河愈到下游愈宽。
2 acorn
n.橡实,橡子
  • The oak is implicit in the acorn.橡树孕育于橡子之中。
  • The tree grew from a small acorn.橡树从一粒小橡子生长而来。
3 sprout
n.芽,萌芽;vt.使发芽,摘去芽;vi.长芽,抽条
  • When do deer first sprout horns?鹿在多大的时候开始长出角?
  • It takes about a week for the seeds to sprout.这些种子大约要一周后才会发芽。
4 galls
v.使…擦痛( gall的第三人称单数 );擦伤;烦扰;侮辱
  • Best results will be obtained on recently formed galls. 如果瘿瘤是新近形成的,则效果最好。 来自辞典例句
  • Crown galls are cancerous growths composed of disorganized and proliferating plant cells. 冠瘿是无组织的正在不断增殖的植物细胞所组成的癌状物。 来自辞典例句
标签: 科学读本
学英语单词
A acid
agathidium (agathidium) asphaltinum
anderegg
angara r.
anorned
Ardpatrick Point
as gaudy as a peacock butterfly
atlanticum
automatic trunk call
auxiliary feeder
be pleased in
benedum
boarded leather
bottom pouring unit
Bouquet Reservoir
buccanier
business class
capcoes
chalet girl
channel selection
Chinese character library
control abstraction
country-styles
cultural activities
damn skippy
diheterozygote
double-word command
dynamic address translator
electrolyte balance
elsag
enamel hypocalcification
expiration dates
Fleitmann's tests
fontwells
footscrays
Geithus
general level of employment
hamefarin
hay ride
hexoctahedron
huashou
in double-quick time
in the dumper
Ingold cutter
inhomogeneous plastic flow
Ke.
kenmores
kontrastin
La Pureza
lateral dimension
loudspeaker paging
main steps
marine explosion-proof fan
mass-analyzed ion kinetic energy spectrometry
masterclass
meatpacker
medical examiner's death certificate
mended
microhemodynamics
multilayer perceptron
myriametres
mystacal
N-phenylmaleimide
NeuralCast Technology
non-transient
NTL (no test link)
outreal
pelvic region
petcock
picture angle
plutonium phosphate
post-strike
Prokofiev
Putnam, Hilary
redundancy rate
retroconversion
rheumic acid
rubber ring
semeion
serially coorelated error
sigmoidoproctostomy
silicon bronze alloy
soft modem
Steinbach am Glan
step wedge
strophulus volaticus
synoptic map
tasiyeh (tisiyeh)
tetrahedral apparatus
Thermodesulfobacteria
threat agent
three-electrode thyratron
three-phase supply
transformed flow net
twin float
ultra luminous ir galaxy
unguizetes clavatus
unit of electrostatic system
Venetian lace
vowel point
x - ray analysis
Yoneda embedding