billon Basic wordsalso onCEFR Elementary (A2)? Band 2 (BND2)? Band 3 (BND3)? 开帐单, 帐单,目录,节目单 bill bill(verb) 开帐单 bills bills(noun) 议案(bill的复数),账单 bill bill(noun) 帐单,目录,节目单 Forms verbnoun bill bills bill