Production levels
[经] 生产水准
🧩 词语组成解析
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
Am I glad to see you!
我看到你， 真的很高兴！
The building of the new road has been held up by bad weather.
这条新马路的修筑因天气恶劣而受阻。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。