Activity factor
[计] 活动因子
🧩 词语组成解析
factor
['fæktə]
n. 因素;<数>因子;代理人;
vt. 把…因素包括进去;[数学]分解…的因子，将…分解成因子;以代理商（或管家等）的身份行事，做代理商（或管家）;
vi. 做代理商（或管家）;
🗣️ 情景例句
These items shouldn't be difficult to come by
这些东西应该是不难弄到的，
The worth of a thing is best known by the want of it.
物以稀为贵。
These two have travelled through the earth.
这两种波都是穿过地球而来的。