Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
Take care of yourself.
多保重。
Can I speak to Mr. Li?
我能请李先生讲话吗？
Yes. At the very beginning I choose a play and the actors.
好。一开始我得选取剧本、挑选演员。