balm

n. 香油，药膏

ballboy, ballgirl, ballcock, ballerina, ballet, ballet-dancer, ballistic missile, ballistics, ballocks, ballocks (also bollocks), balloon, balloon-borne, ballooning, balloonist, ballot, ballot-box, ballpark, ballroom, balls-up, bally, ballyhoo, balmily, balminess, balmy, baloney, balsa, balsam, Baltic, baluster, balustrade, bamboo, bamboo-shoot, bamboozle, ban, banal, banality, banana, banana republic, banana skin, band, Band-aid,