constant
US /ˈkɑːn.stənt/
UK /ˈkɑːn.stənt/
1.
持续的, 不变的
occurring continuously over a period of time
:
•
The machine makes a constant humming noise.
这台机器发出持续的嗡嗡声。
•
She was in constant pain after the accident.
事故后她一直感到持续的疼痛。
2.
不变的, 稳定的
remaining the same over a period of time
:
•
The temperature remained constant throughout the experiment.
实验过程中温度保持不变。
•
His dedication to his work is constant.
他对工作的奉献是一贯的。
1.
常数
a quantity or value that does not change
:
•
In this equation, 'c' is a constant.
在这个方程中，'c'是一个常数。
•
The speed of light is a universal constant.
光速是一个宇宙常数。