Proamnion
前羊膜
🗣️ 情景例句
I'd like to borrow some money from you.
我想向你借点钱。
Could you carry my doggie for me?
你能替我带我的小狗吗？
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，