Polygonometry
n. [數(shù)]多邊形幾何學(xué)
??? 情景例句
He was very kind.
對(duì)人和藹。
Hiking gives you time to think.
郊游可以使你有時(shí)間思考。
and the search for oil has done more to improve deep drilling than any other mining activity.
尋找石油比其他任何采礦業(yè)對(duì)改進(jìn)深孔鉆探作的貢獻(xiàn)都要大。