化驗員的英文：
a laboratory technician; an analyst

laboratory是什么意思：
n. 实验室；实验课
adj. 实验室的；实验技术的

The laboratory is kept at a uniform temperature.
实验室保持恒温。

This is a key laboratory of atmosphere sounding.
这是个大气探测重点实验室。

Conversely, the cosmos provides a laboratory.
反过来，宇宙空间也可作为实验室。

technician是什么意思：
n. 技术员，技师；能手

That technician is highly skilled.
那位技师技术很好。

The film was edited by a skilled technician.
这部影片是由一位技术熟练的技术人员剪辑的。

The technician is sent to measure the hardiness of the material.
这位技术员被派去测量材料的硬度。

analyst是什么意思：
n. 分析家，化验员

How did you become a transactional analyst?
你是如何成为一个交互分析治疗师的？

A great many analysts are sanguine on this account.
非常多的分析家都乐观地持这种观点。

A subtle observer,critic,analyst,etc
细心的观察者、评论者、分析者等