动物会丢弃最弱小的幼仔。Animals reject the runt of the litter.最弱小的幼崽the runt of the litter要是被逼急了,甚至最弱小的动物也会回咬一口.Even the weakest animal will bite back when it is cornered....
The pulmonary migration of larvae is associated with fever, cough, occasionally hemoptysis.蛔蚴肺部移行,可伴有发热 、 咳嗽 、 偶尔咯血.the seasonal migration of birds鸟的季节性迁徙On migrated sections migration noise can become the equivalent lim...
He tore down the girl's photograph, and crumpled it into a ball.他一把扯下那女孩的照片，将它揉成一团。She tore off two sections of paper towel and folded them lengthwise.她撕下两格纸巾，然后纵向对折。The branches tore at my jacket and scratched my h...