There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.Describe the excretory system of the genus Nereis briefly.简述沙蚕属的排泄系统.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官In the earthworm and many...
There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.Describe the excretory syste...
他常常削球,而不是抽球.He often chopped the ball instead of driving it.削球, 切球在网球中用下旋手法击 ( 球 )To cut or slice ( a ball ) with an underarm stroke, as in tennis.全面 型的削球打法是削球发展的趋势.The all - round chop is a developmental trend of this m...
I supported us by writing bilge for women's magazines.我胡乱给女性杂志写点东西，维持我们的生计。The temple is supported by marble columns.这座庙宇由大理石柱支撑。We just need a tent supported on a rigid framework.我们正需要一座有坚硬架子支撑的帐篷....
She was almost 90, but still very robust.她将近90岁了，但身体仍然十分强健。I want something sequacious now and robust.我现在想要前后一贯和健全的东西.That chair's not very robust; don't sit on it.那把椅子不太结实, 别坐它了。The Neanderthals were very rob...
她听到了外面楼梯平台上的狗叫声。She heard the dog on the landing outside.平台上的警卫吹响了哨子.On the platform, the guard blew his whistle.咱们在外面平台上吃午饭吧。Let's have lunch out on the patio ....
DSR ( Dynamic Source Routing ) protocol is a representative of on - demand Ad Hoc routing protocols.动态源路由 ( DSR,DynamicSourceRouting ) 协议是典型的按需AdHoc路由协议.Dynamic Source Routing protocol ( DSR ), which operates entirely on...