- LouisLv 74 年前最佳解答
Aerospace companies are involved in developing and making rockets, missiles, space vehicles, and related equipment.
aerospace companies =航太公司
A country's airspace is the part of the sky that is over that country and is considered to belong to it.
Forty minutes later, they left Colombian airspace.
2015-06-15 11:44:39 補充：
說明及例句取自：Collins Cobuild English Dictionary for Advanced Learners
2015-06-15 12:01:31 補充：
2015-06-15 12:03:07 補充：