例句：
The car began to roll back down the hill.
汽車開(kāi)始倒著往山下滑。
Some animals roll themselves into a ball for protection.
有些動(dòng)物蜷縮成一團(tuán)以保護(hù)自己。
Bill finally rolled up two hours late.
比爾最終遲到了兩個(gè)小時(shí)。
2024-08-10
例句：
The car began to roll back down the hill.
汽車開(kāi)始倒著往山下滑。
Some animals roll themselves into a ball for protection.
有些動(dòng)物蜷縮成一團(tuán)以保護(hù)自己。
Bill finally rolled up two hours late.
比爾最終遲到了兩個(gè)小時(shí)。