隐形眼镜

yǐn xíng yǎn jìng

contact lens

CL:隻|只[zhi1],副[fu4]

yǐn

(bound form) secret; hidden; concealed; crypto-

xíng

to appear

yǎn

eye (CL:隻|只[zhi1],雙|双[shuang1])

jìng

mirror