基線base line: 基線;【網(wǎng)球】界限線。 bl: BL = 1.Bachelor of law ...bl base line: 基線,基準(zhǔn)線,時(shí)基bl(base line): 基線bl battery line: 界區(qū)線下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯