肉眼观察 Traditional 肉眼觀察 ròu yǎn guān chá 🔊 observation by naked eye + Keep this word Meanings ròu yǎn guān chá 肉眼觀察 observation by naked eye Its characters 肉ròumeatHSK 2眼yǎneye (CL:隻|只[zhi1],雙|双[shuang1])HSK 5观guānto look at察cháto examine