Dichromate oxygen consumed
[化] 重铬酸盐耗氧量
🧩 词语组成解析
n. 重铬酸盐\\n[化] 重铬酸盐(或酯)
a. 充满的；对…著迷的
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
We are happy to be of help.
我们十分乐意帮助。
Take it easy!
别着急！