小的英語翻譯：

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

桿的英語翻譯：

mast; perch; pole; post; shank; staff
【化】 bar
【醫(yī)】 culm; lever; rhadbo-; rod; stab; staff; stick

科的英語翻譯：

a branch of academic study; family; pass a sentence; section
【化】 family
【醫(yī)】 department; family; family systematic
【經(jīng)】 accountant's department; division head; section