pinhole

针孔, 小孔英释中释na very small hole in something, especially one made by a pin

1 pinhole camera,针孔照相机

1 The yellow parts has small oval-shaped protrusions, each with one or two “pinhole” depressions..黄色部分有小的椭圆形突出，每个突出又有一到二个“针孔”状凹陷。

2 For their next work, they'll be looking at how to replicate the intricate grooves and pinhole depressions..至于下一步的工作，他们要研究怎么模拟复杂的沟槽和针孔凹陷。

3 They also abandoned using any corrective lenses, firing the X-ray pulse through a pinhole and then collecting the diffracted rays after they pass through the sample..他们也放弃使用任何矫正透镜，而是通过一个针孔发射X光射线，然后采集经过样品后的衍射光线。