Proctodone
后肠激素
🗣️ 情景例句
Pleased to meet you.
很高兴与你见面。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
I am not sure whether I can lend you any money. I may not have enough.
我也不清楚能否借钱给你。我自己可能都不够。