Tfm
[化] 三氟甲硝酚
🗣️ 情景例句
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
It is good to be merry at meal.
席间心情愉快是为上策。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。