Mr. Weasley started up the engine and they trundled out of the yard.

韦斯莱先生发动了引擎，汽车开出了院子。

So the chemistrians decided to trundle out the Romans.

因此， 化学家们决定淘汰罗马人。

Mr. Weasley started up the engine and they trundled out of the yard, Harry turning back for a last look at the house.

韦斯莱先生发动引擎，汽车开出了院子。哈利回头看了这所房子最后一眼。