One of the best areas for the cannula is the cephalic vein in the shoulder area.肩部的头静脉是放置静脉导管最好的部位之一.having a relatively long head with a cephalic index of under 75.有头颅指数低于75的、相对长些的头部Results The incidence of cephalic pre...
甜胶树 、 酸胶树和一些澳大利亚的尤加利树都是产树胶的树.The sweet gum, sour gum, and some Australian eucalyptus trees are gum trees.树和一些澳大利亚的尤加利树都是产树胶的树.The sweet gum gum , and some Australian eucalyptus trees are gum trees.我提醒他们问我关于我对树胶有无过敏性的反映.I...
He crouched as near to the door as he could.他蹲得距门尽可能近.A cluster of vultures crouched on the carcass of a dead buffalo.一群秃鹫蹲伏在一具野牛的尸体上。He crouched behind a low hedgerow.他蹲在一排低矮的树篱后面。...
冷水中生物的基础代谢速度要低很多。Basal metabolism is much lower for creatures in cold water.这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.实验者已经成功控制了心跳的速度和频率。Experimenters h...