Dicarboxyl
联羧基, 乙二酸, 草酸
🗣️ 情景例句
How has your visit to Shanghai been so far?
目前你对上海的印象如何？有何收获？
It falls on the last day of the lunar year and lasts until the Lantern Festival.
克节从阴历年的最后一天开始一直持续到元宵节。
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。