Formol
甲醛
🗣️ 情景例句
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
Sit down.
坐下！
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。