外推

wài tuī to extrapolate

窗户

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

关

guān mountain pass; to close; to shut; to turn off; to concern; to involve

Guān surname Guan

不

bù (negative prefix); not; no

上

shàng on top; upon; above; upper; previous; first (of multiple parts); to climb; to get onto; to go up; to attend (class or university)

shǎng see 上聲|上声[shang3 sheng1]

怎么办

zěn me bàn what's to be done

图

tú diagram; picture; drawing; chart; map; CL:張|张[zhang1]; to plan; to scheme; to attempt; to pursue; to seek

解法

jiě fǎ solution (to a math problem); method of solving

fanpianzicomJ1Schtm