[网络] 德彩金鱼饲料
(tetrafin 的复数)

Fish 鱼 Fish live in water and most fish breathe through their gills. 鱼生活在水中,大多数的鱼靠鳃呼吸。 They have fins, scales, eyes and a mouth. 它们有鳍、鳞、眼睛和嘴巴。 They have a body part for hearing. 它们有接

发表于:2018-12-13 / 阅读(64) / 评论(0) 分类 与美国小学生一起学英文第1册

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

Fins 鱼鳍 Fish can swim well with their fins in water. 鱼因为有鳍能在水里畅游。 Also, fish cannot move without fins. 相反的,没有鱼鳍,鱼就不能游了。 Do you know that different fish have different shapes of fins? 你知道

发表于:2019-01-10 / 阅读(67) / 评论(0) 分类 与美国小学生一起学英文第6册

DNA Testing to Help Sharks Keep Fins In a study in the journal Endangered Species Research, shark fins on sale were shown to be from a specific region in which shark populations have collapsed, evidence that may help change fishing regulations. Cynth

发表于:2019-01-30 / 阅读(140) / 评论(0) 分类 60秒科学

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 万物简史
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-idiums
ad.
adjustable head t square
advance line of position
angstron unit
back washing
bargraph display
basket tube combustion chamber
baumgart
beacon course
beam control apparatus
benzidinetransformation
binary star systems
bounded measure
broad form personal theft policy
Butylbiguanide
Bū'īn
camber line
cane sugar house
canned crustacea
Carinish
chilonycteris parnellii
chromenickel
Cochin-China diarrhea
code dictionary
cold spell in spring
Comptian
computer patient monitoring
concentrating table
contact impingement
continuous-feeds
cross addition
cryobench
dead word
dedicated portfolio
diauxic
die with your boots on
dirat
double-ends
dried shark fin
droop of a system
dynamic mechanical property
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EHF-MCAB
epiphanically
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fill-up hole
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gowns
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stereoscopic model
street width
striken the right note
submerse depth of water-turbine pump
superphysiological
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tape dynamic skew
termipoint
theoconservatism
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to be familiar with
tongue bars
transmitting signal conversion equipment
unconfigured
unitary states
Verse's disease
Vetsin
victual(l)ing house
yhalwed