泵的试验性能

听力文本 Recording 19 录音19 A. At the bottom of the system, there is a storage tank, which can hold up to 500 litres of rainwater. The water stored in the tank can be used for general gardening and cleaning. A、在该系统底部有个贮存水

发表于:2018-12-18 / 阅读(56) / 评论(0) 分类 走进剑桥大学

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(63) / 评论(0) 分类 Scientific American(五)月

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-01-30 / 阅读(54) / 评论(0) 分类 英语访谈对话

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-02-18 / 阅读(42) / 评论(0) 分类 原版英语对话1000个

If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field

发表于:2019-02-19 / 阅读(68) / 评论(0) 分类 听播客学英语
学英语单词
17-KGS
a.j.p
admissible topological group
architect-engineer
Avast heave in!
Ban Khuan Phu
Barcoo disease
basmatis
beat a path to sb's door
Bellinge
blue-fire
breading mix
breaking face
brileys
bunodophoron formosanum
Bursa subtendinea musculi obturatoris interni
business behavior
cage coordination compound
canted angles
caroticotympanic arteries
center-bolt
Cheongju
chico
competitive list
continuous suction drainage
contribution box
counter-stained
couponbread
crush height
crutain grenadine
debruises
degree Brix
die steel
Dinitrel
diphtheritic enteritis
diptote
disgraduating
doing up
domsat
double-pass dryer
ecotopians
enzymatic specificity
figwort families
fine reading
fish culture in reservoir
Fluspirilenum
forestscapes
geographic isolate
gestalt psychology
Guillemin, Roger (Charles Louis)
higher income
hinna
hopper bale breaker
Hyphantria
intrapulmonary respiration
jarretts
koreanus
laicizations
license licensed licenser licence
longitudinal commissure
lumadsorption
magnesium chloride brine
multipoint Pade approximation
online control
packing list
poephila cincta cuncta
potassic shale
poweranimators
practice game
quantitatively measure
Rabdosia latifolia
radial-saw
range head
residual maturity
resochins
resource-oriented synchronization primitive
reversion pulse
roome
savings ratio
scheme of wiring
sea-stream
self-simulating equation
sheet iron crane
show one's teeth
soleness
SOM
special people's court
stern plank
stromatoporous
supertransuranic
tilbrook
total lending
treated water tank
trentepholia (mongoma) tarsalba
tuck-up
ungendered
ventricular insufficiency
walloons
wapps
watt-second(joule)
XML parser
yewe