Alternations
(alternation 的复数) n. 交互, 轮流, 间隔\\n[计] 交替工作
🗣️ 情景例句
Have you ever been to a buffet dinner?
你去吃过自助餐吗？
The party is making too much noise.
这次聚会太吵了。
Oh, that's Mrs. Brown.
噢，那是布郎太太。