词根词缀：anti-, ant-

【来源及含义】Greek: against, opposed to, preventive; used as a prefix

【相关描述】Don't confuse this anti- ("against, preventive") with the anti- which means "before".

【同源单词】anecdote, antacid, antagonism, antagonistic symbiosis, antagonize, Antarctic

词根词缀：dat-, dos-, dot-, dow-, don-, dit-

【来源及含义】Greek + Latin: dare, to give, a giving, given; a gift; to grant, to offer

【相关词根词缀】 Another term used for medical dosage can be seen at this posology page.

【同源单词】a datu, a die datus, air dose, anecdote, antidotal therapy, antidote