1.vision n.视力；视觉

I've had my eyes tested and the report says that my vision is perfect.
我的眼睛检查过了，检查报告说我的视力非常好。

2.obsolete a.已废弃的；过时的

The army plans to phase out the equipment as it becomes obsolete.
军队计划淘汰这些设备，因为它们已经报废了。

3.investor n.投资者

My nephew is a cautious investor.
我侄子是个小心谨慎的投资者。

4.announcement n.通告；宣布

The government's announcement is seen as a move towards settling the strike.
政府的通告已被视为迈向解决罢工问题的一步。

5.autonomy n.自治；自治权

The separatist is demanding full autonomy for their state.
分裂主义者在要求他们的州完全自治。