Methylene ditannin
[建] 亚甲基二丹宁
🧩 词语组成解析
n. 亚甲基\\n[化] 亚甲基
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
Who is the girl?
那女孩是谁？
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。