Headvalve
[机] 头阀
🗣️ 情景例句
He tried to smile.
他设法要微笑。
Fall sick and you will see who is your friend and who is not.
困难见友情。
and in passing leaves and indefinable longing and regret.
并在消逝中给人留下不可名状的渴望和惆怅。