cross-hair

 
[k'r?sh'e?r]     [k'r?sh'e?r]    
  • n. 叉絲
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cross-hair的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 cross hair:
  1. either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration

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