zhuìjī
“坠” v. fall; drop（Source: 《新世纪汉英大词典》）
“机” n. plane; aircraft（Source: 《新世纪汉英大词典》）
“坠机” v. (of a plane) crash (down) （Source: 《新世纪汉英大词典》）
新闻例句
The Chinese Embassy in Laos has confirmed that two Chinese citizens died in the plane crash.
