1.plane的基本意思是“水平,程度; 标准”,可指在思想、存在或发展各方面的水平,程度。plane也可作“平面”解,可用作不可数名词,也可用作可数名词。
2.plane作“飞机”解时是aeroplane的缩写形式,但现在人们更习惯用plane。

Keep your work on a high plane.把你的工作保持在高水平上。
Let's keep the conversation on a friendly plane.让我们的谈话友好地进行。
They seem to exist on a different spiritual plane.他们似乎生活在不同的精神境界。
This species has reached a higher plane of development.这一物种已达到更高的发展阶段。
Man is on a higher plane of development than the ape.人比类人猿处于更高的发展阶段。
You can't really compare the two newspapers—they're on completely different intellectual planes.你实在无法比较这两份报纸,它们提供的知识层次完全不一样。
The automobile plant claimed to be on the same plane with the major automobile plants in quality.这家汽车厂宣称,他们在质量上能与大汽车制造厂并驾齐驱。
Parallel lines are, by definition, lines on the same plane that never join.按照定义,平行线是在同一平面上永不相交的线。
Eighty persons were killed in the plane crash of last week.80人在上周的空难中死亡。
The jet plane soon passed from our view.那架喷气式飞机很快就飞出我们的视线。
The plane circling overhead is waiting to land.空中盘旋的飞机正等着着陆。
The airline arranged for a plane to take us to Boston.航空公司派了一架飞机把我们送到波士顿。
An intruding enemy plane was picked up by our radar installations.我方雷达发现了一架入侵敌机。
The searchers at last picked up a signal from the crashed plane.那些搜索者终于收到了一个那架失事飞机发出的信号。
The enemy planes attacked our city.敌机袭击了我们的城市。
They painted the underside of their planes with a black varnish.他们在飞机的底部涂上了一层黑漆。
They couldn't locate the enemy, so they sent planes over hunting for them.他们没能找到敌人的所在地点,因此他们派飞机去寻找。
If you plan ahead far enough, you can save a lot of money on your plane tickets.你们若能及早计划好,那么你们就能从飞机票上省下好多钱。

plane还可用作形容词,作“平的,平面的”解。例如:
Plane geometry is the study of plane figures, angles, measurements.平面几何学是研究平面图形、角度、度量等的学科。