hydro-trainrail ferryrailroad ferryrailway ferrytrain carriertrain ferry火车: train轮渡: ferry浮力;漂浮物;火车轮渡费: floatage汽车轮渡: auto ferry; car ferrying; motor car ferry; truck ferry火车轮: railway wheel and tyre mill下载手机词典可随时随地查词查翻译