plummet
🇺🇸
/ˈplʌmɪt/
🇬🇧
/ˈplʌmɪt/
To drop down quickly and suddenly from a high place or position.
The bird seemed to momentarily hover before it plummeted down to the earth.
鸟似乎暂时在空中悬停,然后猛地坠向地面。