Moloxide
分子氧化物
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
A little of every thing is nothing in the main.
每事浅尝辄止，事事都告无成。
Bleriot set off half an hour later.
半小时后便正式出发了。