Tetragyre
四重(对称)轴
🗣️ 情景例句
and you won't get so many colds anymore.
你就不会老患感冒了。
As the old cock crows, so doth the young.
有其父必有其子。
It's against the rules to handle the ball in soccer.
在足球中以手触球就是犯规。