2021军队职称英语考试理工类指导：非限制性定语从句(2)

三、引导非限制性定语从句的关系副词有：
when和where
In the old days，when I was a little boy，the city had no industry.
在过去，我还小时，这个城市没有工业。
We will put off the outing until next week，when we won‘t be so busy.
我们把郊游推迟到下星期，那时我们就不会这儿忙了。
She is going to spend the summer holiday in Tsingtao，where she has some relatives.
她准备到青岛过暑假，那儿她有一些亲属。
They will fly to Kunming，where they plan to stay for two or three days，and then go on to Kweilin.
他们将乘飞机到昆明，在那儿计划待两三天，然后去桂林。
四、在这种从句中，which有时可代表前面说的整个情况或某一部分，而不是代表一个词：
I lost my way，which delayed me considerably.
我迷了路，这使我耽搁了很久。
He failed his exam，which proves that he wasn‘t working hard enough.
他考试没及格，这证明他不够用功。