1.microstome  2.osculum  3.microstomia  4.crostomia  

小的英語翻譯：

for a while; little; minor; petty; small; young
【計(jì)】 mic-
【醫(yī)】 micr-; micro-; mikro-; nano-

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