Oxygen demand
[医] 需氧量
🧩 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
Let's talk over coffer.
让我们边喝咖啡边聊吧。
How much is the electricity bill a month?
每个月电费要多少钱？
It had been baked by a college student who had used over 1,000 pounds of flour, 800 pounds of sugar, 200 pounds of fat, and 400 pounds of various other ingredients.
它是由一个大学生烘制的，用去1，000多磅的面粉、800磅食糖、200磅动物脂肪及400磅其他各种原料。