song hao双: two; twin; both; dual双号: even numbers (of tickets, seats, etc.)双航向信标: two-course range双号门: even numbers entrance双航向无线电信标: two course radio range beacon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:双豪，即可在微信中查询翻译
