blood specimen 血样
rock specimen 岩石标本
biological specimens 生物标本
clinical specimens 临床样本
A: We need to collect more specimens for the study.
A：我们需要为这项研究采集更多样本。
B: Have the specimens been sent to the lab yet?
B：样本已经送到实验室了吗？
1) 样本
2) 标本
3) 典型例子
1. 样本；标本
noun
1. A single item or a small quantity of something, especially when used as an example or for scientific study.
Synonym: sample, example