Learn Chinese Smarter
zhào piàn kě yǐ zhǎn shì luǒ yǎn kàn bù jiàn de dōng xi
照片可以展示裸眼看不见的东西。
Photographs can show things invisible to the unaided eye.
luǒ yǎn jǐng
裸眼井
open hole well
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