Intrad
[医] 在内
🗣️ 情景例句
OK. I'll take that one.
好，我就要这一辆。
Her skirt is behind the chair.
她的裙子在椅子后面。
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，