Total oxygen demand
[机] 总氧量
🧩 词语组成解析
demand
[di'mɑ:nd]
vt. 要求，请求;需要;[法]召唤;询问，盘问;
n. 需求;需要;要求，请求;销路;
vi. 需要;请求;查问;
🗣️ 情景例句
Tell me the courses you have completed in school and what is your favorite subject?
你曾修读哪些课程和你最喜欢哪一科？
Yes. And while I think of it, please ask when you want to borrow my records/CDs.
是的。还有，随便想起一件事，要是你想借用我的唱片，请先问一声。
OK! I've done that!
好的！我做完了！