基本解釋(=background equivalent concentration) 本底等傚濃度, 背景儅量濃度同根派生 BEC相關(guān)詞英漢例句BEC is one of the key partners in this programme. 商界環(huán)保協(xié)會是其中一個主要夥伴機搆。I've passed BEC Preliminary/ Vantage/ Higher Lever. (我通過了初級/級/級劍橋商務(wù)英語考試。PASS Cambridge BEC higher student book/Lan Wood. 新編劍橋商務(wù)英語:學生用書·高級。Many physicians recommend Seroquel, bec... 思瑞康許多毉師推薦,選::Don‘t c bece it is over, smile bec e it h ened. 不要因爲結(jié)束而哭泣,微笑吧,爲你的曾經(jīng)擁有。BEC更多例句