0 New HSK word(s):

0 Old HSK word(s):

检验光楔 [jian3 yan4 guang1 xie1]

Prüfkeil (S)
验光 [yan4 guang1]

Optometrie (S)
验光设备 [yan4 guang1 she4 bei4]

Optometer (S)
验光师 [yan4 guang1 shi1]

Optometer (S)