tanketteyoudaoicibaDictYouDict[tankette 词源字典]
"A small tracked vehicle resembling a tank, but typically without a turret and with lighter armour and weaponry, designed for reconnaissance or infantry support. Also more generally: any small tank or small vehicle resembling a tank", Early 20th cent.; earliest use found in Recruiter's Bulletin. From tank + -ette.[tankette etymology, tankette origin, 英语词源]