quantity

/kˈwɑntəti/

how much there is or how many there are of something that you can quantify

中文释义：数量；量

The quantity of water in the reservoir has decreased due to drought.

由于干旱，水库中的水量减少了。

We need to order a large quantity of paper for the office.

我们需要为办公室订购大量纸张。