Allothimorph
他形体
🗣️ 情景例句
Let's get engaged.
我们订婚吗？
You like to play with me, don't you?
你就这么爱耍我是吗？
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，