音标:[spainz] ;
n. 脊柱( spine的复数形式 ); 脊椎; (动植物的)刺; 书脊
n. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
n. any sharply pointed projection
n. a small sharp-pointed tip resembling a spike on a stem or leaf

Lesson 1 The Holly 第一课 冬青 How nice it is at Christmas to see the branches of holly on the walls! How pretty the bright-red berries look against the shining dark-green leaves! 过圣诞节了,墙上挂起了冬青的树枝,小朋友们多高

发表于:2018-12-18 / 阅读(66) / 评论(0) 分类 英国学生科学读本

There's nothing in the world today that looks like a Stegosaurus. 如今地球上没有什么动物长得和剑龙相似。 And it just was so peculiar with that long cone-shaped head and this big curved back and these short front legs and long back

发表于:2018-12-28 / 阅读(53) / 评论(0) 分类 侏罗纪搏击俱乐部

Its first defense was its armored hips. 它的首要防护是有护甲的髋部。 One of the interesting things about Gastonia is it does have a big solid plate over its hips. 加斯顿龙有趣的事情之一是它髋部确实有一块大而结实的

发表于:2018-12-28 / 阅读(71) / 评论(0) 分类 侏罗纪搏击俱乐部

Armored dinosaurs would not become common until tens of millions of years after the Gastonia lived. 在加斯顿龙出现后数千万年后甲龙才变得普遍。 Paleontologist Dr. James Kirkland was called in to analyze the find. 古生物学家詹姆

发表于:2018-12-28 / 阅读(54) / 评论(0) 分类 侏罗纪搏击俱乐部

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(78) / 评论(0) 分类 英国学生科学读本

I find myself in crowds, audiences, mobs. Just as often I am alone, in a field, house, car, on a beach, in a grammar school in the middle of the night. I fear finding myself in a prison cell, an elevator full of people, the middle of a highway. I app

发表于:2019-01-01 / 阅读(80) / 评论(0) 分类 时间旅行者的妻子

As a purification ceremony, frankincense or copal may have been burnt in these huge brazier s depicting Tlaloc, the rain god. Most telling of all, the scientists found traces of albumen indicating the

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 远古的回响

Scientists found a prehistoric ancestor of an arrow worm among a group of fossils at two national parks in Canada. The fossils were found in what is now British Columbia, but was once an ocean. The sea worm was 10 centimeters long and had 50 spines o

发表于:2019-01-02 / 阅读(73) / 评论(0) 分类 2017年VOA慢速英语(八)月

I have all my life wondered what mind-boggling meant. 我整整一生都在想,mind-boggling(令人难以置信的)到底是指什么。 After two days here, I declare myself boggled, and enormously impressed, 在这里呆了两天,我承认,

发表于:2019-01-03 / 阅读(95) / 评论(0) 分类 TED演讲科学篇

Cactuses 仙人掌 Cactuses are very unique plants. 仙人掌是非常奇特的植物。 They live in hot and dry places like deserts. 它们生活在类似沙漠这样的炎热干旱地带。 They usually don't have leaves 它们通常没有叶子。

发表于:2019-01-10 / 阅读(68) / 评论(0) 分类 与美国小学生一起学英文第6册

And what about font size and type? 那字的大小和字体呢? The earliest movable type pieces consisted of reversed letters cast in relief on the ends of lead alloy stocks. 最早的活字是在铅铝坯料的一端铸造凸出的反字。 They

发表于:2019-01-17 / 阅读(58) / 评论(0) 分类 TED演讲教育篇

鱼类为吃食而锻炼肌肉 New research published in the Proceedings of the National Academy of Sciences finds that both head and body muscles help them gulp down prey in one explosive action. About half of all vertebrates animals with backbones

发表于:2019-01-19 / 阅读(80) / 评论(0) 分类 VOA双语新闻 2015年7月

现在,由于游牧官道已经从地图上消失,浪游者和本地居民的关系就和睦多了。 偶尔骑马而来,求一口啤酒,聊聊天,吃一顿家常便饭的牲口商是受欢迎的。有时,他们带着妇女,赶着由擦破

发表于:2019-01-29 / 阅读(60) / 评论(0) 分类 荆棘鸟

She was a ship of the old school, rather small if anything; with an old-fashioned claw-footed look about her. 这是一条闯荡过世界各个大洋大海的老船, Long seasoned and weather-stained in the typhoons and calms of all four oceans, he

发表于:2019-01-29 / 阅读(112) / 评论(0) 分类 白鲸记

Many sportspeople do sit-ups as part of a raft of exercises which aim to improve their core stability, but research from Thomas Nesser from Indiana State University suggests that improving your core stability doesn't necessarily result in better athl

发表于:2019-02-06 / 阅读(114) / 评论(0) 分类 阅读空间

Desert-survival guides dictate that the best way to avoid heat and dehydration is to travel by night. 沙漠生存指南中写道 避免高温炽热和脱水的最好办法 就是在夜间行进 But this rough terrain is scarred by deep, unpredictabl

发表于:2019-02-13 / 阅读(64) / 评论(0) 分类 荒野求生

A really fresh blood like that,is so rich... 真正的新鲜血液 是很有营养的 minerals, vitamines, energy everything you need, to survie. 含有矿物质 维生素 能量 一切你生存所需要的东西 And so many nomads and tribes all ove

发表于:2019-02-14 / 阅读(61) / 评论(0) 分类 荒野求生

This size of the spikes on this.I wanna get rid of all of these Bubs off first.Here we go. 这家伙的刺真长 首先我要把这些没用的东西砍掉 这样就好了 Okay, I'll let you see inside.All of the sand,and the guts.I don't want that. 我

发表于:2019-02-14 / 阅读(47) / 评论(0) 分类 荒野求生

The Nautilus seemed to be standing still. This was due to the lack of landmarks. 诺第留斯号好像是不动了,这是因为水中没有标炽盼缘故。 But streaks of water, parted by the ship's spur, sometimes threaded before our eyes with e

发表于:2019-02-25 / 阅读(62) / 评论(0) 分类 《海底两万里》中英双语有声读物

She was a ship of the old school, rather small if anything; with an old-fashioned claw-footed look about her. 它是一种老派的船只,如果有什么不同的地方,那就是比较小一些;那样子就象是一只古色古香的有爪的脚。 L

发表于:2019-02-25 / 阅读(76) / 评论(0) 分类 白鲸记
学英语单词
American gallinule
amine cured epoxy resin
annisimov
apodized
basic Q factor
beginning
Berlin blockade and airlift
bilinear model
break one's word
broken bracket
cercospora sojina
chalcopyrrhotite
co-covenantor
compositionfactors
Corydalis yanhusuo
Dalbergia obtusifolia
debole
dillions
Dinefwr
dioses
dynamically user microprogrammable machine
electromechanical analogy
enamel pan
exceptio quod metus causa
expansion roof tanks
eyecharts
fire control car
flipflop direct-coupled
FutureBasic
glide rocket
going price
heating mode
homelytra
HPSIS (high pressure safety injection system)
Huayabamba, R.
informatory double
invisibles
isofenchyl alcohol
judg(e)ment
key lime
Kimilili
kittywampus
lacunae of tongue
linearity potentiometer
linearly variable resistance
lymphangiectomy
macquarium
macrocephal
Melsomin
metallic reducing agent
Miaoli City
new zealand cottons
Nez Perce County
nonprepositional
nosophytes
one-range winding
opposite pole
oscillating coil
pat answer
penicilloates
Platinum strip bolometer
principal direction of curvature
Profintern
provings
pseudo-plane
puget soud pine
randel
reinstallable
reverse takeover
revived structure
rfc (radio frequency choke)
roll velocity
Rubia dolichophylla
satisfaction of a claim
seaplane parking area
search turn
severe etch virus
sexy lingerie
sign magnitude code
solenoid operated system
somatoscop
spreading process
straight peen hammer
substantivate
switching-engine
target folder
tax-deferred
tetraandrine
theory of dimensions
throttle grip
Tibet mockorange
tinctorial property
tomato pulp
transfer check
tretic conidium
twonks
uphole geophone
V.I.P.
varnished cambric
widerange oscillator
witii
yellow-bellied