at that moment和at once和immediately
at that moment释义: 在那时刻,就在那时 例句: At that moment he lost his balance and fell. 他在那一瞬间失去平衡摔倒了。 at once释义: 马上,立刻 例句: The place at once enraptured me. 这个地方立刻把我迷住了。 immediately释义: adv. 立即,立刻;直接地 conj. 一…就 例句: You should stop this dangerous climbing game...