ball-point

n (also ,ball-point `pen) pen that writes with a tiny ball at its point which rolls ink onto the paper 圆珠笔. Cf 参看 biro.

balance of power, balance of trade, balance sheet, balanced, balcony, bald, bald eagle, balderdash, balding, baldly, baldness, bale, baleful, balefully, balk, balk (also baulk), balky, ball, ball game, ball-bearing, ball-point pen, ballad, ballade, ballast, ballboy, ballgirl, ballcock, ballerina, ballet, ballet-dancer, ballistic missile, ballistics, ballocks, ballocks (also bollocks), balloon, balloon-borne, ballooning, balloonist, ballot, ballot-box, ballpark,