梯烷ladderback: 椅背成梯狀的椅子ladder; stepladder: 梯子ladderdiagram: 梯形圖ladder-type network: 梯形網(wǎng)絡(luò)laddered: 設(shè)有梯子的下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯