1.
sirenian mammal of tropical coastal waters of America; the flat tail is rounded.
产于美洲热带沿海水域的海牛类哺乳动物。
2.
bovine spongiform encephalopathy [BSE] [mad cow disease]
牛类海绵状脑病〔疯牛症〕
3.
A Study of the Family Chromodoris Alder et Hancock,1855 (Opisthobranchia) of China Coast
中国近海多彩海牛属(后鳃类)的研究
4.
A Study of the Family Hypselodoris Stimpson, (Opisthobranchia) of China Coast
中国近海高海牛属(后鳃类)的研究
5.
"and the great water-vessel, with the twelve oxen under it;"
海和海下的十二只牛。
6.
The great water-vessel with the twelve oxen under it.
海和海下的十二只牛，
7.
A milk cow is a female, a bull is a male of the same animal.
奶牛是母牛，而公牛则是这种同类动物的雄牛。
8.
ON A NEW SUBSPECIES OF BOS PRIMIGENIUS FOUND ON THE BOTTOM OF BOHAI SEA AND YELLOW SEA
记黄海、渤海海底发现的原始牛新亚种
9.
Yet it is vital to the survival of humans and a wide range of critters from dragonflies and piranhas to beavers and bullfrogs.
不过，它对于人类的和家畜的生存是必要的，从蜻蜓和水虎鱼到海狸和牛蛙都离不开它。
10.
The site protects key threatened species, including giant arapaima fish, the Amazonian manatee, the black caiman and two species of river dolphin.
保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
11.
ALTITUDE GRADIENT DISTRIBUTIONS OF DIOXIN-LIKE COMPOUNDS AND PCNs IN SOILS FROM WOLONG AREA AND HUMAN HEALTH RISK ASSESSMENT FOR YAK CONSUMPTION
四川省卧龙地区土壤中二噁英类化合物和多氯萘的海拔梯度分布及对牦牛的毒性风险评价
12.
Improvement Effect of Qinghai Yellow Cattle Crossed with Blue-White Beef Cattle
蓝白花肉牛杂交改良青海黄牛的效果
13.
Sponge up the spilled milk
用海绵吸掉泼出的牛奶
14.
seal-split cowhide bag
海豹纹理状裂纹牛皮袋
15.
The manatees tamed quickly.
海牛很快地被驯服。
16.
type and sole genus of the Trichechidae.
海牛科的唯一模式属。
17.
Beef. But I like seafood best of all.
牛肉。不过我最喜欢海鲜。
18.
like steak and kidney pie but without steak.
类似于牛排和腰花馅饼，但是没有牛排。