Clathrate
[化] 包合物
🗣️ 情景例句
In general, American boys like baseball.
一般而言，美国少年喜欢棒球。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。