Boletic acid
[机] 反-丁烯二酸
🧩 词语组成解析
🗣️ 情景例句
Well, I see you're feeling better.
嗯， 我看得出你感觉好些了。
The meat packing industry is developing fast.
肉类加工业发展迅速。
I don't know. My head hurts.
不知道。我头痛。