鱼的腹鳍a fish's ventral fin腹鳍 对应着四足动物的后肢.Ventral ( or pelvic ) fins correspond to the hind limbs of a quadruped.这快速流动的气流为腹鳍提供了额外的升力.This faster - moving air provides the pelvic fin with additional lift....
The report highlights the similarity between the two groups.这份报告强调两组之间的相似性。At 73 % and 70 % similarity, BOX - PCR and ERIC - PCR dendrogram were composed of 18 groups respectively.在73%和70%的相似性水平上, BOX -PCR 和ERIC -PCR 的树状...
她作了简明的回答.She gave a neat answer.这题目也许要个简明的注释.The subject may merit a brief explanatory note.我们将采取粗略简明的观点.We shall take a grossly simplified view for present purposes....