The cactus has spines.仙人掌有刺.A hedgehog's spines point backwards.刺?的刺毛是向后长的.News stories of genocidal revenge killings are sending chills down our spines.相互残杀报复的灭族事件此起彼落,教人闻之不禁胆颤齿寒.One of the sharp hollow spines of a...
用茶匙轻敲鸡蛋，让蛋壳开裂。Tap the eggs gently with a teaspoon to crack the shells.他用手杖轻敲着腿。He was tapping his walking stick against his leg.他用指关节轻敲着桌面直到感到疼痛为止.He rapped the tabletop with his knuckles until they were sore....
Twenty million years ago, Idaho was populated by dense primordial forest.2,000万年前，爱达荷州到处都是茂密的原始森林。Life's primordial reality is spirit.生命的根本真实性是精神.Twenty million years ago, Idaho was not the arid place it is now. Rat...
It may be a sufficient but not necessary condition for microtubule organization.对于微管组来说,它也许是更好的,但不是必需的条件.IntroductionThe centrosome is the major microtubule organizing center ( MTOC ) of mammalian cells.中心体是哺乳类细胞主要的微管组织中...
男孩子们对我不感兴趣令我很烦恼。It bothered me that boys weren't interested in me.我和她互相倾诉烦恼。She tells me her troubles. I tell her mine.很多答案都不准确，为此他感到很烦恼。He was disturbed by the inaccuracy of the answers....