ad-

核心释义

1. 1.

   见于拉丁词源的字；表示“向...”之义

   As a prefix ad- assumes the forms ac-, af-, ag-, al-, an-, ap-,；ar-, as-, at-, assimilating the d with the first letter of the word to；which ad- is prefixed. It remains unchanged before vowels, and before；d, h, j, m, v. Examples: adduce, adhere, adjacent, admit, advent,；accord, affect, aggregate, allude, annex, appear, etc. It becomes ac-；before qu, as in acquiesce.

表示“向...”之义