aircraft名词，飞机;航空器等。
常作集合名词，也指一架飞机或飞行器，单复数同形，含义广泛，可指直升机、飞艇等。指有发动机或没有发动机的任何种类的飞行器。包括一般飞机、直升机、飞艇、火箭、气球等。用作主语时，谓语动词一般按所指实际数量选用单数形式或复数形式。aircraft在句中也常用作定语。aeroplane ，airplane， plane这些名词均有飞机之意。
fighter/transport/military aircraft
战斗机；运输机；军用飞机
The aircraft overshot the runway.
飞机冲出了跑道。
The aircraft and its crew were posted missing.
据报这架飞机和机组人员已失踪。
The use of cellular phones is not permitted on most aircraft.
大多数飞机上不许使用手机。
Even by present-day standards these were large aircraft.
即使按照现在的标准，这些飞机也挺大的。
Even quite small aircraft occupy a lot of space
哪怕很小的飞机也要占很大的空间。
The aircraft is designed to withstand turbulent conditions.
这架飞机是为经受猛烈的气流而设计的。
The aircraft was flying in a northerly direction.
飞机正向北飞去。
Their aircraft went down during a training exercise.
他们的飞机在一次训练中坠毁。
He had returned to England in an aircraft carrier no less
他竟然坐航空母舰回的英格兰。
The aircraft carrier has been docked there since last month.
自上个月以来那艘航空母舰就一直停靠在那儿。
an aircraft carrier航空母舰
Aircraft passed overhead with monotonous regularity.
飞机一次又一次反复从头顶飞过。
(零冠词表示泛指)
The aeroplane will travel at twice the speed of sound.
这架飞机的速度将是音速的两倍。
The oldest of the aircraft were scrapped.
最老的飞机报废了。
Tomorrow he would tell his pilot to get the aircraft ready
明天他会告诉他的飞行员准备好飞机。
Since its inception the company has produced 53 different aircraft designs.
该公司自成立以来已经完成了53种不同样式飞行器的设计。（作定语）
Wave after wave of aircraft passed overhead.
一批又一批飞机从上空掠过。
The airlines still have 2,500 new aeroplanes on order.
这家航空公司尚有2,500架新飞机在订购中。
Airplanes enable people to travel through the air.
飞机使人们能够在空中旅行。
Fancy! Shes never been in a plane before.
真想不到！她竟然从未坐过飞机。
All planes are being inspected for possible cracking and corrosion.
所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。
另外，hovercraft气垫船;气垫运载工具
spacecraft航天器;宇宙飞船
这两个词的单复数也是同形的。用法和aircraft用法类似。
Travelling at speeds of up to thirty five knots, these hovercraft can easily outpace most boats.
这些气垫船行驶速度最高可达35节，能够轻易地超过大多数船只。
A hovercraft rides on a cushion of air.
气垫船悬浮在气垫上行驶。
These hovercraft can easily outpace most boats
这些气垫船在速度上能轻而易举地超过大多数船只。
Spacecraft which are re-entering the earths atmosphere are affected by g forces.
重返大气层的航天器受到重力的作用。
A radio signal was sent to the spacecraft.
向宇宙飞船发出了无线电信号。
The spacecraft is set to throw new light on to a dark corner of the solar system.
这艘宇宙飞船可能会让人们对太阳系中的一个神秘角落有更新的认识。
In thirty years from now the United States should have a manned spacecraft on Mars.
未来30年内，美国有可能会把载人航天器送上火星。
The spacecraft is set to throw new light on to a dark corner of the solar system.
这艘宇宙飞船可能会让人们对太阳系中的一个神秘角落有更新的认识。
The two spacecraft rendezvoused successfully.
两艘太空船成功地会合。
