specimen
单词辨析：
指某个特定情况的例子。
His report highlights some instances of discrimination.
他的报告重点列举了一些歧视的事例。
In this instance she admitted that he was wronged.
在这一点上她承认他被冤枉了。
指用来解释、支持某一概括性观点或代表某个群体特点的具体的人、事物等。
Would you please give me an example of an attributive clause?
你能不能给我举个定语从句的例子呢？
This building is a good example of European architecture.
这栋大楼是欧洲建筑风格的范例。
指从某一群体中选取出来的一部分人或事物，以供检验并发现有关该群体的信息。
The nurse took a blood sample for tests.
护士取了一份血样去化验。
They wanted to see some samples of his products.
他们想看看他的产品的一些样品。
指用于医学化验的血液、尿液或其他体液样本，或其他用于测试、检验的样品，也可指供学习、研究等用的动物、植物、矿物等的实例。
His blood specimen has been sent to the hospital.
他的血样已经被送到了医院。
He has collected hundreds of rock specimens in the past few years.
在过去几年里，他收集了几百种岩石标本。
相关例句：
If your urine specimen shows the presence of bacteria, you'll be prescribed antibiotics.
如果你的尿样显示有细菌存在，医生会给你开抗生素。
Job applicants have to submit a specimen of handwriting.
求职者必须要提交一份笔迹样本。
I want a specimen of your urine ( stool).
我要一点你尿液（大便）的样品。
The Slovene bank has printed a specimen bank note
斯洛文尼亚银行已经印刷了纸币票样。
This painting is a specimen of the work I do.
这幅画是我所做工作的一个样本。
A method for the determination of the rock tensile strength with the holed-flattened Brazilian disc specimen is proposed.
对用圆孔平台巴西圆盘确定岩石拉伸强度的方法进行了研究。