Polyatomic
[ [ˌpɔliə'tɔmik] ]
高中 Senior High
a. 多原子的\\n[医] 多原子的
🗣️ 情景例句
I want to welcome Harry and his daughter Michelle
我想对Harry和他女儿Michelle
Put your books down on the table.
在桌子上放下你的书。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。