constant

1. Countable(可数名词)mathematics(数学)

   A fixed number or quantity that does not change.

   常数；恒量

frequency(频率)

1. B2

   Occurring frequently or all the time.

   频繁发生的；持续不断的

   • He is in constant conflict with the police.

     他经常与警方发生冲突。

   • The factory machines are in constant operation.

     工厂的机器一直在运转。

   • There is constant noise in the city.

     城市里总是有噪音。

state(状态)

1. C2

   Remaining unchanged; not varying or fluctuating.

   恒久不变的；稳定的

   • We drove at a fairly constant pace.

     我们以相当稳定的速度行驶。

   • The lab needs to maintain a constant temperature.

     实验室需要保持恒定的温度。

   • The company's performance shows constant growth.

     公司的业绩呈现稳定的增长。

   More examples

loyalty(忠诚)

1. A loyal and dependable companion or friend.

   忠实的；始终如一的（伙伴或朋友）

   • She has been his most constant friend.

     她一直是他最忠实的朋友。

   • He has had a constant companion throughout his life's journey.

     他一生中一直有一位忠实的伴侣。

   • Their friendship remained constant despite the distance.

     尽管相隔遥远，他们的友谊始终如一。