During the Middle Ages, large amounts of silk were brought to the Middle East and Europe from China along the ancient silk Road, which is still traceable nowadays.

在中世纪，有大量的丝绸从中国运到中东欧洲，走的是古代的丝绸之路，到今天这条路还有痕迹可寻。

youdao

Is a traffic safety facilities installed in the middle of the road marking or double yellow lines the middle, through its reflective properties inverse to remind drivers to press the lane.

是一种交通安全设施，安装在道路的标线中间或双黄线中间，通过其逆反射性能提醒司机按车道行驶。

youdao

He was a middle-of-the-road Democrat.

VOA: special.2009.03.05

They can embarrass Mr Sharon, both with middle-of-the-road Israelis and with the American administration.

ECONOMIST: Israel and the Palestinians

That's a pretty reasonable, middle-of-the-road, common-sense approach to both tax reform and entitlement reform.

WHITEHOUSE: Press Briefings

At home, Pelosi is often criticized for being too middle-of-the-road and beholden to corporate interests.

NPR: Profile: Nancy Pelosi, House Majority Leader