It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.

据说中国的一位名叫神农的统治者是第一个发现茶可以作为饮料的人。

youdao

And a ruler full of the spirit of improvement is warranted in the use of any expedients that will attain an end, perhaps otherwise unattainable.

充满改良精神的标尺会在任何权宜之计中得以应用，该权宜之计会到达彼岸也可能无所获。

youdao

This is the ruler [with that] you can draw a straight line.

③这就是那把尺子，您可以用它划一条直线。

youdao

It is about a ruler who believes wrongly that his wife has been with another man.

VOA: special.2010.01.13

They made it clear to the former Nigerian military ruler that a return to constitutional order is a pre-condition for direct talks with President Mamadou Tandja.

VOA: standard.2009.11.14

To say a ruler is legitimate is to say that he has a recognised right to rule.

BBC: Unit 1: People and Politics

Bowling Green is the only subway station that has one: Near the turnstiles at every subway entrance is a blue sign with a yellow ruler.

WSJ: Little Ones, the Subway and the Law

Many say his main disadvantage is that, as the former military ruler of Sierra Leone from 1992-1996, he is associated with a deeply unpopular period before democracy.

BBC: Sierra Leone faces huge election test