Pinhole
['pɪnhəʊl] or ['pɪnhol]
例句:
- But the least crevice is sufficient for the purpose; a pinhole will do the business. 本杰明·富兰克林. 富兰克林自传.
- We never expect to see around a corner, and if we wish to see through pinholes in three separate pieces of cardboard, we place the cardboards so that the three holes are in a straight line. 伯莎M.克拉克. 科学通论.
- The candle cannot be seen unless the three pinholes are in a strait line. 伯莎M.克拉克. 科学通论.
安娜贝拉录入