Pulsating quantity

pulsating

a. 脉动的；搏动的；脉冲的

quantity ['kwɑntəti]

n. 量，数量;定量，大批;数目;[语音学、韵律学]音量（指元音或音节的长短）;

quant 多少，数量+ ity 表名词 → n.量，数量，分量

I'm tired of working all day.

我厌倦整天工作。

The milkman hopes the cows have plenty of milk every morning.

挤牛奶的人希望每天清晨都能得到大量牛奶。

We can perhaps forgive those who said the moons of Jupiter were produced by Galileo's spyglass if we recall that in his day, as for centuries before, curved glass was the popular contrivance for producing not truth but illusion, untruth;

如果我们回想一下伽利略之前几个世纪期间，曲面镜一直是一种用于产生幻影而不是产生真象的把戏装置，那么我们就会原谅那些当时把伽利略观察到的木星卫生说成是伽利略用他的小望远镜变出来的人们，