Dopt
二羟苯丙氨酸
🗣️ 情景例句
Except for my grandfather.
除了我爷爷。
I can't stand summer weather.
我不能承受夏天天气。
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，