Hsab
[化] 软硬酸碱
🗣️ 情景例句
What time should I call back?
我应该何时再打来？
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
What's that? asked Lucy. She pointed at a strange thing with three legs and a strange top. It was made of metal.
“那是什么？”露西说。露西指着一个有三条腿和一个奇怪的顶部的怪怪的东西问。是用金属造的。