treadmill exercise踏: step on; stamp on; tread试验: experiment; test; trial跑: 800米 run the 800-metre dash台: tower运动: arrange things or get things ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:踏车试验,跑台运动，即可在微信中查询翻译
