Where's the main post office?

邮政总局在哪儿？

《牛津词典》

The Washington Post reported, one of the main reasons, experts say, is that farmers have used herbicides on the milkweed plants that these butterflies feed on.

《华盛顿邮报》报道，专家说，主要原因之一是，农民对马利筋植物使用除草剂，而这些蝴蝶以马利筋植物为食。

youdao

No one at home. Please stop by the main post office within the next three days, "the note read."

您有一份需亲自签收的包裹，请在即日起三日内前往邮局签收。

youdao

The workers are also opposed to planned changes to the UK's network of 373 Crown - or main - post offices.

BBC: Post office counter staff vote to strike

But the main post-office workers' union is strongly opposed to even a partial share sale and has demonstrated in the past its ability to sway public opinion.

ECONOMIST: The Post Office

With only 13 minutes remaining Sylla was first to the rebound when Maloney's curling free-kick from the edge of the box struck Main's right-hand post.

BBC: Celtic narrow gap