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Terms
for subject
Jewelry
containing
透
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all forms
Chinese
English
不
透
明的
opaque
利用偏光镜鉴别不
透
明的宝石是没有用的
It is no use employing a polariscope to identify an opaque gemstone
透
明度指一个物体透过光的能力
The transparency is the ability of a substance to transmit light
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