平的；单调的；不景气的；干脆的
adv.（尤指贴着另一表面）平直地；断然地；水平地；直接地，完全地
n.平地；公寓；平面；
vt.使变平；[音乐]使（音调）下降，尤指降半音；
vi.逐渐变平；[音乐]以降调唱（或奏）；
复数：flats过去式：flatted过去分词：flatted现在分词：flatting第三人称单数：flats
"the salt flats of Utah"
a shallow box in which seedlings are starteda musical notation indicating one half step lower than the note namedfreight car without permanent sides or roof同义词：flatcarflatbed
a deflated pneumatic tire同义词：flat tire
scenery consisting of a wooden frame covered with painted canvas; part of a stage settinga suite of rooms usually on one floor of an apartment house同义词：apartment
adj.having a surface without slope, tilt in which no part is higher or lower than another"a flat desk"; "skirts sewn with fine flat seams"
同义词：levelplane
having a relatively broad surface in relation to depth or thickness"flat computer monitors"
not modified or restricted by reservations"a flat refusal"
同义词：categoriccategoricalunconditional
stretched out and lying at full length along the ground"found himself lying flat on the floor"
同义词：prostrate
lacking contrast or shading between toneslowered in pitch by one chromatic semitone"B flat"
flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)同义词：compressed
lacking taste or flavor or tang同义词：blandflavorlessflavourlessinsipidsavorlesssavourlessvapid
lacking stimulating characteristics; uninteresting"a flat joke"
同义词：bland
having lost effervescence"flat beer"; "a flat cola"
(of taxes) not increasing as the amount taxed increases同义词：fixed
sounded or spoken in a tone unvarying in pitch同义词：monotonemonotonicmonotonous
horizontally level"a flat roof"
lacking the expected range or depth; not designed to give an illusion or depth"a flat two-dimensional painting"
同义词：two-dimensional2-dimensional
(of a tire) completely or partially deflatednot reflecting light; not glossy"flat wall paint"
同义词：matmattmattematted
commercially inactive"flat sales for the month"; "prices remained flat"; "a flat market"
adv.with flat sails"sail flat against the wind"
in a forthright manner; candidly or frankly"came out flat for less work and more pay"
同义词：directlystraight
flat surface平面；平整表面
flat out v. 竭尽全力；用全速；疲惫
flat panel扁平面板
flat plate平板；浅平盘
fall flat失败；达不到预想效果
tidal flat潮滩；潮汐平原；潮汐舱内甲板；潮汐滩
flat knitting横机织物；横编
flat roof屋顶平台
flat steel扁钢
flat screen平筛，平板筛浆机；平面屏幕
flat knitting machine横机；针织横机
flat tire没精打采；漏了气的车胎
flat glass平板玻璃；板玻璃
flat panel display平面直角显示器
flat bottom n. 平底；平匠
fell flat卧倒；引不起兴趣；完全失败
flat land平地；平原
flat type平面型；单位类型
flat top平顶
flat head北美印第安人
更多收起词组短语这组词都有“平的，平坦的”的意思，其区别是：
smooth侧重指表面十分平滑，无任何粗糙的感觉。引申作圆滑解。
level强调没有高低之处，且在同一水平面，可引申指才能相等或与相邻某物平行。
flat指光滑平整的表面，但不一定是水平的。
even通常指平面上的各点或一条直线的各点处在同一平面或直线上。
quarters, accommodation, flat, apartment, suite, lodging这组词都有“住处”的意思，其区别是：
quarters指某一部分人集中的居住区。
accommodation泛指各种居住住所，一般指暂时下榻之地。
flat多用于英国、澳大利亚和新西兰。指同一层建筑物上组成一个居住单元的几个房间。
apartment通常指占用或居住时间较长的成套房间，在美国比较常用。
suite可泛指任何设备完善的一套房间，但多指包括起居室、卧室和浴室的陈设较豪华的套间。
lodging常用lodgins,指临时租借的房间或宿舍。