"embroidery specimen by a beginner to show skill," 1520s, from sample (n.); earlier "pattern, model, example to be imitated" (early 14c.). The connecting notion is probably "piece of embroidery serving as a pattern to be copied, or to fix and retain the pattern." As "a collection of samples" from 1912.
实用例句
1. A depth sampler is strapped to the running board of the helicopter.
把深水取样器固定在直升机的试验台上.
来自辞典例句
2. The simplest type of rain sampler is essentially a funnel and bottle.
最简单的雨水采样器,实质上是一个漏斗和瓶子.
来自辞典例句
3. Soil is sampled with a core sampler.
土壤的采样使用芯形采样器.
来自辞典例句
4. To take samples that retain the larger structure of the sediment, a core sampler is used.
为了保持样品沉积物的层次结构, 就要用空心铁管采样器.
来自辞典例句
5. This sampler can be used only in streams shallow enough to be waded.
