当

当她发现他们还没有学校，她就办了一个。

當她發現他們還沒有學校，她就辦了一個。

When she saw that they had no schools, she started one.

布什继里根之后当上了总统。

布什繼里根之後當上了總統。

Bush followed Reagan as president.

目前，我妹妹在一家超市当收银员。

目前，我妹妹在一家超市當收銀員。

For the time being, my sister is an assistant in a supermarket.

当我们想到男女在社会中的传统角色时，我们认为丈夫养家，妻子照顾孩子和家庭。

當我們想到男女在社會中的傳統角色時，我們認爲丈夫養家，妻子照顧孩子和家庭。

When we think of the traditional roles of men and women in society, we think of husbands supporting the family, and wives taking care of the house and children.

当它运转了，他们才看起来放心了。

當它運轉了，他們纔看起來放心了。

They looked relieved only when it was in motion.