Bifluoride
[机] 氟氢化物
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
The comet will appear in the southern sky.
彗星出现在南方的天空。
Glancing at it briefly, he told me to look again.
他迅速地扫视了一眼，让我再看一遍。