twin-enging takeoff distance双: two; twin; both; dual发起: initiate; sponsor飞: fly; flit滑: slippery; smooth跑: 800米 run the 800-metre dash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:双发起飞滑跑距离,即可在微信中查询翻译