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...
The car skidded and slewed sideways.汽车打滑，向一侧偏去。Two cars skidded on the icy pavement.两辆汽车在结冰的路面上打滑。The plane skidded off the runway while taking off in a snow storm.飞机在暴风雪中起飞的时候滑出了跑道。Luckily the van ahead of us skidded of...