曾经,当时,原因,容易,还有,严重的,新鲜的,采纳,立刻,父母.这些单词用英 ...答:time in the past, before, once 当时 adv. then, at that time conj. while adv. right away, right off,at once, immediately 原因 n. cause, origin, reason,wherefore 容易 adj. easy, liable adv. easily, likely, readily 还有 adv. besides,furthermore, anyway, likewise, also,...