從頭開始學(xué)learn: vt. (learned , learnt) 1.學(xué),學(xué) ...from: from above [below] 自上[ ...ground: ground2 n. 1.地,地面;土地,地 ...up: adv. (superl. uppermost ) 1. ...learn sth from sb: 從…學(xué)到…下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯