久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典apertureaperture英英釋意

aperture

英 ['?p?t??; -tj(?)?] 美['?p?t??]
  • n. 孔，穴；（照相機，望遠鏡等的）光圈，孔徑；縫隙

英英釋意

1. a device that controls amount of light admitted
2. a natural opening in something
3. an man-made opening; usually small