| 单词 | trial sight | 
| 释义 | > as lemmastrial sight   trial sight  n. (see quot.). ΚΠ a1884    E. H. Knight Pract. Dict. Mech. Suppl. 903/2  				Trial Sight (Optical), an oculist's case of trial lenses, etc., for testing sight. < as lemmas | 
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