Alternations
(alternation 的复数) n. 交互, 轮流, 间隔\\n[计] 交替工作
🗣️ 情景例句
Like it?
喜欢？
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。