Malmaison
n. 法国石竹
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
I'm writing to an old friend.
给一个老朋友。
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，