flat
单词辨析：
指同一楼层的公寓套房，面积较大而且价格较贵；复数形式常指提供给重要人物居住的大房间。
My uncle moved into a three-room apartment.
我叔叔搬进了一套带有3个房间的公寓房。
I rent an apartment during my vacations.
度假期间我租房住。
He has never been in the presidential apartments before.
他以前从未到过总统套间。
指楼房中的一套单元房，有客厅、厨房、卫生间等。
I live in a three-bedroom flat.
我住在一套带三间卧室的公寓。
She lives in the top flat.
她住在顶层的单元房中。
尤指豪华的套间。
The honeymoon suite cost them 300,000 dollars.
蜜月套房花了他们30万美元。
Suites are for the rich.
豪华套间是供富人住的。
指平坦没有倾斜的；也指两事物齐平的，常后接介词 with。
The floor is quite level.
这地板很平。
The city was built on a level terrain.
该市建于平坦之地。
Your eyes should be level with the top of the picture.
眼睛应该与画的上端齐平。
指表面平整无凸起的。
Try to make the top of the hedge even.
尽量把篱笆顶部弄平整。
The road is not even.
这条路不平坦。
指表面平滑的，无凹凸、倾斜或弯曲之处，但不一定是水平的。
The earth is round but not flat.
地球是圆的，而不是扁平的。
Work on a clean, flat surface.
在干净、平整的桌面上工作。
指与地平线平行的。
a horizontal instrument/surface
水平仪/面
The vertical line meets the horizontal one here.
垂直线与水平线在此相交。
相关例句：
The landscape became wider, flatter and very scenic
地势变得更开阔、更平整，风景十分优美。
After a moment his right hand moved across the cloth, smoothing it flat
过了一会儿，他用右手把布抹平。
A man walked in off the street and fell flat on his face, unconscious.
一个男人从街上走进来，趴倒在地，不省人事。
Ellen is walking down the drive with a square flat box balanced on one hand.
埃伦正一手托着一个方形的扁盒子沿私人车道走着。
The highway stretched out flat and straight ahead.
公路平坦而笔直地向前延伸。
His car alarm had been going off for two days and, as a result, the battery was flat.
他的汽车报警器连着响了两天，结果电池耗没电了。