I earn enough to push the boat out now and again.我挣的钱足以时不时摆摆阔了。Now and again he'd join in when we were playing video games.我们玩电子游戏时，他偶尔会和我们一起玩。Now and again , he caught a whiff of a peculiar smell.他不时闻到一股怪味....
The classical literature of embryology documents these patterns in detail for the zygote in situ.胚胎学的经典文献详细地报道了关于在原来位置上合子的这些式样.Against the belief in such abrupt changes, embryology enters a strong protest.对于这种突然变化的信念, 在胚...