Activity ratio
[计] 活动率\\n[经] 活动比率
🧩 词语组成解析
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
No, it isn't, said the detective suddenly.
不，不对，侦探突然说。