🧩 词语组成解析
n. 泡沫；气泡（bubble的复数）
🗣️ 情景例句
I knew it!
我就知道！
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？