I clap jumping, laughing and shouted, palm red all don't know.

我拍着手蹦着、笑着、喊着，手掌心红了都不知道。

youdao

Clap it against your palm to get moisture out, and place it in the case. That can keep your harmonica dry and protect it.

吹过口琴后拍出水分，放在口琴盒里。这样既能保持干燥，又起到保护作用。

youdao