stop up

动词 v.
中文释义

英文释义

动词 v.
  1. To fill a hole or cavity, or block (an opening or passage), as with a plug.
    — So then we […] scratched around and found an old tin washpan, and stopped up the holes as well as we could.
  2. To permanently close or block (a road or path); to legally extinguish a right of way. UK
  3. To increase the aperture of a photographic lens, moving from an f/stop represented by a higher number to an f/stop represented by a lower number and causing more light to pass into the camera.
    — To stop down means to narrow the aperture; to stop up or open up means to expand it.

词形变化

stops up present,singular,third-person stopping up participle,present stopped up participle,past stopped up past

词汇关系

反义词
stop down
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