1
- a flat surface on which a straight line joining any two points on it would wholly lie平面：
the horizontal plane.
水平面。
1.1
- an imaginary flat surface through or joining material objects（穿过或连接物体的）虚构平面：
the planets orbit the sun in roughly the same plane.
行星大致在同一平面上绕太阳旋转。
1.2
plane of
a flat or level surface of a material object（物体的）平面：the plane of his forehead.
他的额面。
1.3
- a flat surface producing lift by the action of air or water over and under it（通过上面或下面的空气或水的作用产生提升力的）翼面。
2
- a level of existence, thought, or development（存在、思想或发展）水平：
everything is connected on the spiritual plane.
在精神层面上一切都是相连的。
attrib.
1- completely level or flat平的, 平坦的。
1.1
- of or relating to only two-dimensional surfaces or magnitudes二维平面的, 二维空间的：
plane and solid geometry.
平面几何和立体几何。
no obj., with adverbial of direction
1- (of a bird or an airborne object) soar without moving the wings; glide（鸟, 空中物体）飞行; 滑翔：
a bird planed down towards the water below.
一只鸟朝下面的水面飞了过去。
1.1
- no obj.(of a boat, surfboard, etc.) skim over the surface of water as a result of lift produced hydrodynamically（船、冲浪板等）在水面滑行, 掠过水面。
词源
early 17th cent.: from Latin planum 'flat surface'， neuter of the adjective planus 'plain'. The adjective was suggested by French plan（e） 'flat'. The word was introduced to differentiate the geometrical senses， previously expressed by PLAIN1， from the latter's other meanings.
- a tool consisting of a block with a projecting steel blade, used to smooth a wooden or other surface by paring shavings from it刨子, 木工刨。
with obj.
1- smooth (wood or other material) with a plane刨平。
1.1
- with obj. and adverbial reduce or remove (redundant material) with a plane刨除：
high areas can be planed down.
高出来的地方可以刨掉。
1.2
- archaic make smooth or level〈古〉使光滑, 使平整。
词源
Middle English: from a variant of obsolete French plaine 'planing instrument'， from late Latin plana (in the same sense)， from Latin planare 'make level'， from planus 'plain， level'.
(亦作plane tree)
1
- a tall spreading tree of the northern hemisphere, with maple-like leaves and bark which peels in uneven patches悬铃木。
1.1
- Genus Platanus, family Platanaceae.悬铃木属, 悬铃木科。参见
L ONDON PLANE, CHINAR.
词源
late Middle English: from Old French， from Latin platanus, from Greek platanos, from platus 'broad'.