🧩 词语组成解析
onion
['ʌnjən]
n. 洋葱（头）;
roll
[rəul]
vt. 辗;使（眼球等）左右转动;（使）原地转圈;滚动;
vi. 左右摇晃;翻滚;开始移动，启动;
n. 名册;滚翻;
🗣️ 情景例句
We were both on the tennis team.
我们都是网球队的队员。
When did you know the answer?
你什么时候知道答案？
It's a pencil-box.
一只铅笔盒