单词	bounce time
释义	bounce time 回跳时间
随便看	backward progression winding backward propagation ionospheric scatter backward pruning procedure backward pull backward radiation backward ray cone backward reachability backward reaction backward read backward reading backward reasoning backward recovery backward recovery time backward reference backward referencing backward region backward repositioning backward resistance backward resorption backward reversal backward robot problem solving system back ward roll backward-rotating field backward-rotating wave backward round-the-world echo 持戈试马持斋把素持权合变持橐簪笔持正不阿持满戒盈持盈保泰持盈守成持禄养交持筹握算冒险冒雨冒顶冒领冒风险冒饷冒骗冓冕冕冠