1.retainerpin  2.splintpin  3.forelock  4.splitpin  

開的英語翻譯：

unclose
【化】 carat
【醫(yī)】 carat

口的英語翻譯：

cut; gob; jaws; mouth; opening; ostium; scoop; stoma
【醫(yī)】 aditus; apertura; aperturae; aperture; bouche; introitus; meatus; mouth
opening; ora; orifice; orificium; oro-; os1; ostia; ostium; portal
stoma; stomata; stomato-; trema

銷的英語翻譯：

annul; cancel; expend; forelock; melt; pin; sell; spend
【機】 cotter; pin