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
My mother would take us everywhere, too.
我妈妈也是带我们各处走。
Business is the salt of life.
事业事人生之盐。
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。