導(dǎo)向繩松了slack: n. 煤渣,煤屑。 off: adv. 1.〔運(yùn)動(dòng)〕向那邊,隔開(kāi)。 be off 走, ...the offensive has slacked off: 攻勢(shì)已經(jīng)衰弱guidelines: 空氣質(zhì)量指南; 生活睿語(yǔ); 指導(dǎo)原則; 指導(dǎo)方針; 指南air-slacked lime: 潮解石灰下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯