1.pull into 进入；到达

例句:Let's pull into the lay - by and the have a rest.
我们将车开进路旁停车处休息一下吧。

2.account for 说明...原因；占...比重

例句:My father asked me to account for my conduct.
我父亲要求我为自己的行为负责。

3.keen to 热衷于

例句:She' s keen to get ahead in her career.
她热望在事业上出人头地。

4.last for 持续

例句:This will last for a couple of weeks.
这就够用一两个星期的了。