Word: 宇航 (yǔháng) 宇航 dictionary entry yǔháng space flight Full dictionary entry for 宇航 Example sentences using 宇航 2 sentences, showing page 1 of 1. 宇航展览什么时候开始？ Yǔháng zhǎnlǎn shénme shíhou kāishǐ? When does the space flight exhibition start? 宇航技术这些年进步很快。 Yǔháng jìshù zhèxiē nián jìnbù hěn kuài. Space flight technology has progressed quickly in recent years.