Tetracarboxylic acid
[化] 四羧酸
🧩 词语组成解析
🗣️ 情景例句
This universal language has always brought people of different cultures close together.
这种世界性的语言将不同文化的人紧密地结合在一起。
First think, and then speak.
先想后说。
Half an hour? That's too long! Is there a bus?
半小时？那太久了！有公共汽车吗？