该目昆虫的前翅发展成坚硬的鞘翅或壳.In this order the the forewings are modified to form hard elytra or cases.鸟儿的翅膀肿了,前翅不见了.The birds'wing was swollen and the primaries missing.雄蟋蟀凭借前翅的磨擦发出唧唧声.TYPICAL USE : Male crickets chirping noi...
Organization and assembly of phospholipid molecules into membranes, micelles , tubules, etc.磷脂质分子组织并组合成细胞膜 、 微胶粒 、 细胞小管等.Just like the synthetic detergents, bile salts form micelles.正如合成有机溶剂, 胆汁酸盐形成微囊.Methods: The mixed ...
他在底下吵了好半天了.He's making a great deal of noise at the counter.她在一堆文件里搜寻,终于在底下找到了他的信.She searched through the pile of papers and found his letter underneath.我们可以听到他们在底下房间里谈笑.We could hear them in the room below, laughi...