Spiran
[机] 螺环化合物
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
Forgive me for interrupting, but I have a question.
对不起我插个嘴，我有一个问题。
Collecting small items can easily become a mania.
收集小玩艺儿很容易着迷。