Diacetic acid
[化] 双乙酸; 意指
🧩 词语组成解析
🗣️ 情景例句
I've got to keep my nose to the grindstone to support my family.
我拼命工作养家。
It matters not how long we live but how.
问题不是活得多么长，而是活得怎么样。
Which book?
哪一本？