Dihydrofluoride
[化] 二氢氟化物
🗣️ 情景例句
We need to promote light industry in this town.
我们需要推动这个城市的轻工业发展。
One man makes a chair and another man sits in it.
坐享其成。
How much did you want to increase your order.
你的订量要增加多少？