Fluohydric
氢氟化的
🗣️ 情景例句
I was here too, but I didn't get to know you. I'm John.
我也出席了，但没有机会结识你。我叫约翰。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。