基本解释无电梯的公寓英汉例句双语例句After ra gentle warm-up, sprint hard up the stairs as fast as you can for 20 (building to 30) seconds, then slowly recover as you walk back down.在温和的热身运动之后，以你能达到的最快的速度冲上楼梯，时长约为20-30秒，接着慢慢走下来以恢复。walk up building更多例句词组短语短语walk -up multistorey building 无电梯的多层建筑walk up building更多词组专业释义土木建筑工程无电梯的公寓