Basifier
碱化剂
🗣️ 情景例句
The rules ought to be observed.
这些规则就予以遵守。
Would you answer the phone please?
你能接下电话吗？
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。