A philosopher once said, 'Be careful what you wish for; you might get it.'一位哲学家曾说过：“别轻易许愿——你可能会如愿以偿。”Once we have confessed our failures and mistakes to God, we should stop feeling guilty.一旦我们向上帝告明了自己的过失和错误，就不该...
once的近义词/同义词有：occasion, time, one, again, only, on, single, never, aforetime, ago, previously, time, past, at, long, the, heretofore, one, in, fluke, by, at, time, ever, a, single, chance, any, single, only, occasion, ti...
We tend to meet up for lunch once a week.我们往往每周共进一次午餐。He once told an interviewer that he didn't even like rock music.他曾告诉一位采访者，他甚至都不喜欢摇滚乐。He took off at once and headed back to the motel.他立刻离开，回到汽车旅馆。...
By using the complementation test an unknown mutant can be rapidly assigned to a particular gene.采用互补测验可迅速地将某一未知突变型归属于某一特定基因.When the cells were then shifted to an enriched medium, the mutant cells proliferated.然后,当细胞移入一...