dive

The professional athlete took a deep breath before he dived off the high cliff into the ocean.

(Chinese) 这位职业运动员在从高高的悬崖跳入大海前深吸了一口气。

If you dive too quickly without proper equipment, the water pressure can damage your ears.

(Chinese) 如果你在没有适当设备的情况下潜得太快，水压会损害你的耳朵。