Hsab
[化] 软硬酸碱
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
To climb stairs
爬楼梯
The man went to great lengths to prove that the diamonds were real.
那人竭力想证明那钻石是真货。