about adv. 附近，大约，周围 prep. 在附近，关于，在……周围，忙于
例句：He is not so sure about his plan.
他对他的计划不是很有把握。

discern v．认识，辨别，看清楚
例句：Simon was Just able to discern the road from the dark.
西蒙在黑暗中只能勉强辨认出道路。

disregard n．漠视，忽视 v．不理，漠视
例句：The officers have shown a total disregard for the needs of the poor.
这几个官员对穷人的需求表现出完全漠视的态度。

approximate adj. 近似的，大约的
例句：The approximate annual rate of world population is 2 percent.
世界人口每年的增长率约为2%。

proximity n．接近，亲近
例句：When you live and work in close proximity with a group of people, you can learn a great deal about them.
当你和一群人近距离一起生活和学习时，你会对他们有更多的了解。