基本解釋樓梯踏步同根派生 stair-step相關(guān)詞英漢例句Reinforcement protection technology for external angle of stair step 樓梯踏步陽角採用鋼筋護角新工藝The child was sitting on the bottom stair. 那孩子正坐在樓梯最下麪的一級上。Clutch stair armrest, move carefully step by step. 抓緊樓梯扶手,一步步謹(jǐn)慎地移動。Hark! I hear a step on the stair! 聽!我聽見樓梯上有腳步聲!He bounced into the room with a springy step. 他以輕快的跑步跳進房間。stair-step更多例句