Nonconstant
a. 非常数的,非恒量的
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
If you can't remember, just try to guess.
假如你想不起来，就猜一猜看。
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。