The cat acted as a surrogate mum to the chicks.这只貓当起了小鸡的妈妈来。As soon as the two chicks hatch, they leave the nest burrow...两只小鸟一出壳就离开了巢穴。A hen hovers her chicks.一只母鸡在孵小鸡.Methods FDM was established in 60 one - day - old l...
Nocturnal creatures, the northern hairy - nosed wombat is rarely seen by humans.北毛鼻袋熊是夜行性动物, 人类很少能看到它们.The wombat and kangaroo are both marsupials in Australia.袋熊、袋鼠都是澳大利亚的有袋类动物.A wombat stops in front a ranger's ve...
当两个等位基因不同时,称之为杂合性的.When the two alleles are not identical , they are said to be heterozygous.自交杂合子有一半杂合性, 因此远系繁殖可以产生适应能量更强的种群.Selfing heterozygotes halves the heterozygosity , and thus outbreeding maintains heterozygosit...
The aeroelastic phenomena may be subdivided under the heading static and dynamic.气动弹性现象可以再分为静态和动态两个专题.The verbs were subdivided into transitive and intransitive categories.动词可细分为及物动词和不及物动词。Structural steels can be subdiv...