Cycloperoxene
环过氧烯
🗣️ 情景例句
Winter in Beijing is too cold.
北京的冬天很冷。
I wonder What he is.
我不知道他是做什么的。
We'll get used to that, Bill,' said the vicar.
“大家慢慢就习惯了，比尔，”牧师说。