Polyatomic
[ [ˌpɔliə'tɔmik] ]
高中 Senior High
a. 多原子的\\n[医] 多原子的
🗣️ 情景例句
having to take care of the baby all weekend.
整个周末照顾孩子。
You'll be on air in two minutes.
两分钟以后你会上电视。
I had an amusing experience last year.
去年我有过一次有趣的经历。