其腹面口区具二环围口纤毛列；背面具一列背刚毛。
There are two circumoral ciliary rows on the buccal region and a dorsal row of bristles.
奥列芬特给了我们一个很好的例子，它展示了克里在最背的一天里显示出的所有不好的语言习惯。
Oliphant gives us a good sample of Kerry on a bad day, with all his unfortunate verbal habits on show.
实验观察到射流迎、背流剪切涡层卷起形成类开尔文涡列。
A kind of Kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment.
应用推荐