Levels
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
I would like to mail this package.
我想把这包裹给寄了。
If he doesn't pay him, I will.
如果他不，我将付给他。
Mr.Wang is fixing his bike.
王先生在修他的自行车。