Ppt.
[医] 沉淀[物], 制备的, 精制的
🗣️ 情景例句
When are they coming?
他们什么时候来？
The milkman hopes the cows have plenty of milk every morning.
挤牛奶的人希望每天清晨都能得到大量牛奶。
In the young there is a justification for this feeling.
青年人有这种感觉是情有可原的。