这是近十年来最严重的空难。

Zhè shì jìn shí nián lái zuì yánzhòng de kōngnàn.

This is the most serious air disaster in the past ten years.

空难发生后，很多航班都取消了。

Kōngnàn fāshēng hòu, hěn duō hángbān dōu qǔxiāo le.

After the air disaster, many flights were canceled.

调查人员正在分析这次空难的原因。

Diàochá rényuán zhèngzài fēnxī zhè cì kōngnàn de yuányīn.

Investigators are analyzing the cause of this air disaster.