"The air will become fresh" 或 "The air will become clean" 可以用来表示空气将变得清新的意思。这两个表达的来源都是源自英文单词 "fresh" 和 "clean"，它们都有 "新鲜的" 或 "干净的" 的意思。
以下是一些例句：
After the rain, the air will become fresh and clean. (雨过之后，空气会变得清新干净。)
The mountain air is always fresh and invigorating. (山间空气总是清新爽朗。)
Opening the windows will allow some fresh air into the room. (打开窗户可以让一些新鲜空气进入房间。)
以下是一些例句：
After the rain, the air will become fresh and clean. (雨过之后，空气会变得清新干净。)
The mountain air is always fresh and invigorating. (山间空气总是清新爽朗。)
Opening the windows will allow some fresh air into the room. (打开窗户可以让一些新鲜空气进入房间。)