climb的過去式怎么寫

　　The plane climbed until it was clear of the clouds.

　　飛機(jī)爬升直至穿出了云層。

　　As soon as the coast was clear he climbed in through the window.

　　等到四下無人，他便從窗戶爬了進(jìn)去。

　　The path grew steeper as we climbed higher.

　　我們?cè)酵�上爬路就越陡�?/p>

　　She climbed up the flight of steps.

　　她爬上了那段臺(tái)階。

　　The car slowly climbed the hill.

　　汽車緩慢地爬上了山坡。