prefix字首、稱謂地區號碼學術名詞字首:數學、海事前標:數學前述詞:數學報頭:氣象學詞頭:氣象學前置碼:電子工程前綴碼:電子工程前置:資訊英文釋義an affix that is added in front of the wordattach a prefix to