航母在广阔的海洋上航行。

The ___aircraft ___carrier sails on the vast ocean.

这架飞机看起来很轻便。

The ___aircraft looks lightweight.

这架飞机能搭载300名乘客。

This ___aircraft can carry 300 passengers.

他在航空器工程领域工作了十年。

He has worked in ___aircraft engineering for ten years.