Dihydrofluoride
[化] 二氢氟化物
🗣️ 情景例句
I hope I'll go down in history as a famous English professor.
我希望成为未来历史上有名的英文教授。
This airline has a good safety record.
这家航空公司有很好的飞行安全记录。
Please push the ladder against the wall.
请把梯子靠在墙壁上。