Interstratified
层间的
🗣️ 情景例句
I'm sorry I'm so late.
对不起 我迟到了这么久。
He admitted that he was wrong.
他承认自己错了。
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，