哭: to cry, to weep...
长征: expedition, long journey...
焦急: anxiety, anxious...
大型: large, large-scale...
姥姥: (coll.) mother's mother, maternal grandmother...
涵盖: to cover, to comprise, to include...
确凿: definite, conclusive, undeniable, authentic, also pr....
直升机: helicopter...
身份证: identity card, ID...
作者: author, writer...