非完全弹性体

These bristles point backwards. 这些刚毛朝向后方。 If we move a finger along the worm from the head to the tail, the body feels quite smooth; 用一根手指从蚯蚓的头部摸向其尾部, 就会感觉它的身体非常光滑; but if we

发表于:2018-12-18 / 阅读(27) / 评论(0) 分类 英国学生科学读本

Lesson 79 The Prickly Hedgehog 第79课 扎人的刺猬 The hedgehog is a common animal in every part of Great Britain where he can find suitable food and lodgings . We can easily see how he has got his name. He is often found at the bottom of our he

发表于:2019-01-01 / 阅读(32) / 评论(0) 分类 英国学生科学读本

When we meet a person, our first impression is based on their body language and their speech. When someone goes up on a stage, or gives a presentation at a business meeting, many pairs of eyes will be following and judging this person. If you are up

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 英语小短文

The American Heart Association reports that the death rate from diseases affecting the heart and blood vessels has dropped by almost 30 percent since the 1990's. Still, heart disease remains a major killer in the United States. It is what claimed the

发表于:2019-01-13 / 阅读(57) / 评论(0) 分类 VOA标准英语2010年(十二)月

1. It作先行主语和先行宾语的一些句型 She had said what it was necessary to say. 2. 强调句型 It is not who rules us that is important, but how he rules us. 3.

发表于:2019-01-30 / 阅读(34) / 评论(0) 分类 英文语法词汇

Over a lifetime, all of us change to an extraordinary degree. From a physical perspective, we start off as a little bundle about 50 centimeters high.With cherubic features, and elastic soft skin.And then we may end up some ninety years later, as a st

发表于:2019-02-16 / 阅读(42) / 评论(0) 分类 英语PK台
学英语单词
acid-digestion spring
alcontobolocysts
anacu
antipacifist
apportioneth
arm bone
automatic chucking lathe
baindix cotton
balanced arch
battlefield laser rangefinder
beet shed
besterman
Bodmin
caiman crocodilus apaporiensis
central acceleration
chip-kick
codeforming base vector
continuous bar code
cylinder-shaped
deductions and exemptions
Delphinium yuanum
devenney
Djadjidouna
Dutch leaf
eight-foot-wide
eisenalaun (halotrichite)
enneandrian
etched resistor
fat weight
floweriest
genus lyguss
Guan Hanqing
h(a)ematochrome
half-period zone
hard-anodized
helcysm
high-finesse
holographic multiplication
hot air damper
Humboldt
ideal filter
infrared spectrograph
inhomogeneous flow
isthmians
Judith Gap
keyhole welding
leglikest
Levopraid
Liverpool B.
logic bombs
logic computer
LU decomposition
lubricating ability
lukac
magnetic pendulum
mimimum
minority carrier life time
molecular conformation
mountain-valley breezes
movable estate
musco
nay-sayers
nickel cast iron
nondestructive service
nongraphite
NSC-39084
Office of General Services
optimum diet
orthobituminous coal
Padas, Sungai
partial dispersion
party-hopping
perfect case binding
permafrost degradation
phalaris aquaticas
physical level of programming
pidonia pilushana
plasmatron
power up diagnostics
procapsid
processable card
pulsed logic
redemonstrating
semiconductors
Semilukskiy Rayon
sense of contact force
sparhawk
sub-programs
subrahmanyams
supervisor test program
T.share
tannaitic
tearing strength
Thuringia
toner
unmagnetical
unpalatial
variable crystal filter
Veronica arvensis
Wien's law
work upon
zalmen