库

kù warehouse; storehouse; (file) library

博

bó old variant of 博[bo2]

bó extensive; ample; rich; obtain; aim; to win; to get; plentiful; to gamble

光学

guāng xué optics; optical (instrument)

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

隐形眼镜

yǐn xíng yǎn jìng contact lens; CL:隻|只[zhi1],副[fu4]

怎么样

zěn me yàng how?; how about?; how was it?; how are things?

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