外推

wài tuī to extrapolate

式

shì type; form; pattern; style

窗户

chuāng hu window; CL:個|个[ge4],扇[shan4]

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

装

zhuāng adornment; to adorn; dress; clothing; costume (of an actor in a play); to play a role; to pretend; to install; to fix; to wrap (sth in a bag); to load; to pack

纱窗

shā chuāng screen window

好用

hǎo yòng useful; serviceable; effective; handy; easy to use

一点

yī diǎn a bit; a little; one dot; one point

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