真丝线

Six Little Mice Sat Down to Spin Six little mice sat down to spin, Pussy passed by, and she peeped in. What are you doing, my little men? Making coats for gentlemen. Shall I come in and bite off your threads? No, no, Miss Pussy, you'll bite off our h

发表于:2019-01-09 / 阅读(254) / 评论(0) 分类 鹅妈妈童谣

A single fibre of wool is very weak, but by means of a machine these fibres are twisted together to make woollen yarn, which is a strong, loose thread. This twisting together of the fibres is called spinning. The fibres are curly or wavy, and are als

发表于:2019-01-17 / 阅读(34) / 评论(0) 分类 英国学生科学读本

She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da

发表于:2019-01-22 / 阅读(48) / 评论(0) 分类 自然百科2013年

48 科学家发现:蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(52) / 评论(0) 分类 科技之光

Lesson19 A reel of cotton 第19课 一卷棉线 Let us take some of the white cotton off this reel, and try to find out what the thread of cotton is made of. We can pull the white thread to pieces, and then we see that it is made of many short fibres

发表于:2019-02-13 / 阅读(64) / 评论(0) 分类 英国学生科学读本

今天Larry 和Li Hua 下课以后一起去吃午饭,Li Hua 会学到两个常用语:threads 和load up。 (campus noise) LL: Hey, Li Hua, those are nice threads you're wearing. LH: Threads? - 那不

发表于:2019-02-20 / 阅读(111) / 评论(0) 分类 美国之音《流行美语》
学英语单词
2-amino-9-p-aminophenyl-acridine
additional sun's correction
agmatoploidy
air cooling installation
anti-mergers
antineoplastic drug
Ayerza
Badang, Sungai
band-limited random field
bariter
birth weight
blonded
body post
bottom-up management
burning surface
C-clamps
carp bream
cashier's imprest fund
CFPR
challe
Chrysanthemum ptarmiciflorum
Clathrolithus
complete crystals
complex Grassmann manifold
conversion of benchmark
crease finishing
Dadiaso
Dalriad
deep temporal artery
device-dependent
divellicating
efficiency of rectification
ennews
export pier
external accession identifier
extra parallelism
fht
filtrum ventriculi
finish-cutting
first running
folding conveyor belt
food provisions shop
fossor
geothelphusa caesia
glad
Gray L.
guard gage
Halbwertzeit
health care facility
heater button
HMQC
hydrogenating agent
hyperlapses
ICI154129
import specie point
in the blink of an eye
independent verification and validation
irrespectively
isolocus break
kawasakis
key-out
kidnet
land site
liquid-gas applicator
local death
lymphomonocyte
map index
Megaloappendix
migrante
monochromatic signal
Mus. Doc.
nadezhda
near-Earth objects
oiling agent
one-stage small intestine transplantation
Oprahfication
Passage West
postcorrelation
preceptorial
protuberants
put dibs on
radio noise field strength
rail-road
raw mill
regular isotopic
rotiform
seafood cocktail
self-trimming collier
skullfucked
spikedrawer
substantia propria
telemetry observation
trip-free
troides aeacus formosanao (rothschild)
truth functions
unextraneous
upper window open state
wall thickness transition
widespread device
winning hazard
world association of lawyers
zenith