These crustaceans provide a valuable food source for some fish.这些甲壳纲动物是某些鱼类重要的食物来源.When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。Sir. J . Lubbock has recently remarked , that sev...
small freshwater crustaceans with a shield-shaped carapace长有盾牌状甲壳的小型淡水甲壳动物Sir. J . Lubbock has recently remarked , that several minute crustaceans offer excellent illustration of this law.卢布克爵士最近指出, 小型甲壳类中有几种较好的例子,可作为这一法...
Gerard also took on wider familial respon-sibilities.杰勒德还承担了更多的家庭责任。If a disease has a genetic basis, it will occur in familial aggregates.如果一种疾病有遗传基础, 它将以家族聚集性的方式发生.Objective : To study the pathogenesis of a homozygous ...
就像子女一样，父母也常常很注重保护他们的私生活。Like their children, parents are often defensive about their private lives.报纸使用了新词“丁克族”，即“双收入无子女”。The newspaper used the neologism "dinks", Double Income No Kids.子女身上遗传了父母双方的基因型板。The offspring con...
你若触摸热的电熨斗,手会烫伤的.Your hand will burn if you touch the hot electric iron.被热水烫伤的人连凉水都害怕.Who has been scalded with hot soup blows on cold water.目的观察自行研制的小面积烫伤致伤仪制作动物标准烫伤的效果.Objective To produce an apparatus replicating stand...