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
The work is not as difficult as you think.
工作不像你想象的那么难。
Prepare for a rain day.
未雨绸缪。
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。