Radka
[人名] 拉德卡
🗣️ 情景例句
from his new book entitled Family Album, U.S.A.
从他的新书Family Album, U.S.A.
You messed up!
你搞砸了啦！
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，