水封式排水口

S eals? asked Annie. Jack looked at Teddy. Did she say 'change intoseals'? he asked. Indeed! said Teddy. That's what selkies do. Theyare people on land and seals in the sea.You're a seal? Jack asked Kathleen. Sometimes, said the selkie, smiling. Jack

发表于:2018-12-10 / 阅读(28) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

T he four seals paddled with ease through the sunlitwaters of the Selkie Cove and into the Jellyfish Cave. The water in the cave was cold and murky. But in hisseal body, Jack was warm; and with his seal eyes, hecould see clearly. As they swam farther

发表于:2018-12-10 / 阅读(29) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Every hunt presents a different challenge, so he plans a new strategy each time. He slinks into the water, using a channel between the ice floes to act as cover. He swims, hardly making a sound, reaching six miles per hour at times. His front legs pr

发表于:2018-12-26 / 阅读(26) / 评论(0) 分类 自然百科2010年

Holder: So lets talk about the people and evacuation zone that was restricted. Cause nuclear plants are so many around there, we told them seal them off inside the house. People in the US asked about what to do if nuclear crises happen in this countr

发表于:2019-01-07 / 阅读(41) / 评论(0) 分类 万花筒2011年

LESSON 30 The white bear 第三十课 北极熊 In the cold North there is always snow on the ground. 在寒冷的北极常年冰雪覆盖。 Even in summer it is very cold, as great blocks of ice float about in the sea. 即使在夏天气温也很低,

发表于:2019-02-21 / 阅读(32) / 评论(0) 分类 英国语文第二册

The Town That Fought A Volcano, And Won 火山喷发(volcanic eruption)是一种奇特的地质现象,是地壳运动的一种表现形式,也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火

发表于:2019-03-09 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
Alisma plantago-aquatica
all-wave receiver
altitude advantage
Amperecapacity
android-based
angle of separation
annular plexus
anodic oxidation treatment
automutagenicity
avipoxviruses
bank post remmitance
body bolster diaphragm
Boguila
Bozzi's foramen
cancer chemotherapeutics
canisteo pen.
churm
color bar test chart
consignment delivery
Coolham
Dahlia pinnata
distance links
e-cups
edge loading
English routs
engrain
erosion badland
esfahans
ethyl vanillin
extractable matter
family Piperaceae
final dewatering
foetus compressus
galeries
garter belt
genus Phthirus
geodetical coordinates
hard pan
harmogegathy
Hungry B.
Ich'ǒn-gun
IHTS (intermediate heat transport system)
lapws
laui
Laxorex
lily-of-the-nile
limited variation
Lot.
materials for imaging
mean flight time between remove
microbrecciated
neutral refractory materials
Newby Hall
Newcastle disease conjunctivitis virus
notari
Novokazalinsk
nuclear thermionic converter
one-mack
opening expenses
Orador
overcome difficulties
palid
Paris dulongensis
partial regression coefficients
pediatric anatomy
phthalic resin
picture editing technology
pirately
post-RISC
pseudonymuncle
pujaris
rampin
real mixture standard cycle
regular gray iron
reorchestrate
reversible booster
Rumanians
scarltinosis
second fill mass
sewage disposal-plant
shock-excited oscillations
site map
snai
Squidgy
strategic air arm
submersible pipeline
suficiente
supplyjet
Tadeus Reichstein
tapered bushing
the FTC
tissue equivalent ionization chamber
to swallow
total correctness
two dimension analysis
valve homogenizer
Van Wert
web server farm
winch brake case
worldgate
zero-resetting device
zinc chrome