Naphsultone
[化] 萘-1,8-磺内酯
🗣️ 情景例句
He took care of my daughter
我女儿曾受他照顾，
I'm very glad to meet you.
认识你很高兴。
It was spring,but the weather was awful.It rained all the time.
是春天，但天气太糟了。一直在下雨。