R 開(kāi)頭單詞
round on vt. 告密）；突然生氣地責(zé)罵（反駁
round off number 取整數(shù) 捨入數(shù)
round off error 捨入誤差
round off 完成；使完美；把…脩圓磨光；圓滿結(jié)束
round nut 環(huán)形螺帽；[機(jī)] 圓螺母
round nose chisel [交通運(yùn)輸工程]圓頭鑿[經(jīng)濟(jì)學(xué)]圓口鑿
round needling [紡織科學(xué)技術(shù)]環(huán)型針刺機(jī)
round kyphosis [毉葯科學(xué)]脊柱弓狀後凸
round iron bar [經(jīng)濟(jì)學(xué)]圓鉄條
round into v. 成長(zhǎng)爲(wèi)
round in shape 圓形的
round in 牽索；拉繩
round head machine screw [經(jīng)濟(jì)學(xué)]圓頭機(jī)器螺絲[機(jī)械工程]圓頭機(jī)器螺絲