The belly is inflated with carbon dioxide maneuvering room.在腹腔中填充二氧化碳,以扩大手术的操作空间.While talking, he changed freeway lanes , maneuvering the Fiat with one hand.他一边讲话, 一边用一只手开着菲亚特离开了高速干道.A clear, hinged foot , perfect for e...
很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。The bright plumage of many male birds has evolved to attract females.雌鸟可能无法给幼鸟喂食。The hen may not be able to feed its young.雄鸟和雌鸟轮流孵蛋。Males and females take turns brooding the eggs....
He picked up the calipers and measured carefully.他拿起双脚规仔细测量.The carpenter gauged the dowel with calipers.那木匠用卡钳估量暗榫.He picked up the calipers and gauged carefully.他拿起卡钳仔细测量.Figure 4 is an example of an expected line with...