Risalin
[机] 黄草硝
🗣️ 情景例句
Welcome aboard, Malcolm!
欢迎加入， Malcolm
Will you accept my advice?
你将接受我的忠告吗？
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，