Hsab
[化] 软硬酸碱
🗣️ 情景例句
I always eat three square meals a day.
我总是每天三顿饭都好好吃。
I'm going to use three pounds.
我要用三磅。
We gently woke him up and asked him to ferry us to the other side.
我们轻轻地把他唤醒，请他把我们摆渡过溪。