K-acid
[化] K酸; 1-氨基-8-萘酚-4,6-二磺酸
🧩 词语组成解析
🗣️ 情景例句
That's backbreaking work and may be too much for us.
这可是累人的工作， 我们可能负荷不了。
No, thank you. But it was very kind of you to offer.
不用了，谢谢。承蒙您好意提出。
We were out of the part you needed.
你要的那种零件我们没有货了，