tester

['test]

n.测试员,测试器, 试用装,华盖,英国旧钱币（=teston）

例句与用法：

The new sports model achieved 100 miles an hour in road tests.

这种新型号赛车於道路测试中时速达100英里。

She tested the whole class on irregular verbs.

她对全班学生进行不规则动词测验。

The system will have to be tested before it goes into production.

这套装置必须经过试验之后才能投产。

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。

Listening to his continuous stream of empty chatter really tested my patience.

听他那没完没了的连篇空话对我的耐心真是一大考验。

The police tested the room for bugs.

警察检查房间里是否放有窃听器。

详细释义：

n.

试验员; 测试器