试件的英文：
specimen
sample
test coupon
test piece

specimen guide for compound optical microscopes
复合光学显微镜试件导向装置

The specimen must be adequately grounded to prevent the development of the high voltages
为了防止这种高压的发生，试件必须妥善接地。

The coating is sprayed onto the specimen, air-dried to a soft powder
这种涂料喷涂到试件上去并在空气中干燥之后，即成为松软的粉末。

He refused to provide a specimen.
他拒绝提供血样。

specimen guide for compound optical microscopes
复合光学显微镜试件导向装置

In the laboratory we are required to analyze specimens.
我们必须在实验室分析标本。

These are the samplings used in the survey.
这些是调查的采样。

Here is our sample room.
这是我们的样品室。

The sperm sample is produced by masturbation.
精子样本通过手淫获取。

Are you ready to test?
你准备好测验了吗？

Have you already tested?
你测到结果了吗？

This is rainbow test pattern.
这是彩虹测试信号图。