flattened 的音标为：英 /ˈflætnd/，美 /ˈflætnd/。作为动词 flatten 的过去式和过去分词，它既可以表示“使变平”的动作结果，也可描述“被彻底击败”或“紧贴某物”的状态；作为形容词时，意为“被弄平的”“垂头丧气的”或医学领域的“水平扁的”。

核心含义与用法

物理形态变化：指物体从曲面或立体状态变为平面。例如：

用发胶将头发弄平：He flattened his hair down with gel.

抚平包装纸：He carefully flattened the wrappers and put them between the leaves of his book.

摧毁或夷平：用于描述建筑物、地区因外力（如轰炸、自然灾害）被彻底破坏。例如：

城市遭炮轰夷为平地：The city has been flattened by heavy artillery bombardments.

拆除区域建公路：All this is going to be flattened for the motorway.

紧贴或隐藏：表示身体或物体为躲避注意而紧贴表面。例如：

贴墙站立躲避：He flattened himself against a brick wall as I passed.

击败或压制：指在竞争、比赛中彻底战胜对手，或使对方士气低落。例如：

球队惨败：Our team was flattened this evening!

威胁对方：I will flatten your head with a shovel.

抽象概念：可描述数据、趋势“停止增长”或情绪“低落”。例如：

学习曲线趋缓：It's a steep learning curve, but it flattens out.

实用短语搭配

flatten out：变平；转为水平状态（如飞行轨迹或地形）。例如：The hills flattened out just south of the mountain.

flattened pelvis：医学术语“平骨盆”

flattened saccule：解剖学中的“扁平囊泡”

flattened distribution：统计学中的“拉平分布”

例句精选

轮胎磨损：Your flattened tyre keeps you unsafe.（磨平的轮胎存在安全隐患）

救援场景：Rescuers raced to save people trapped under flattened buildings.（救援人员抢救废墟下的被困者）

日常动作：Some chairs have flattened feet which spread the load on the ground.（平脚椅子可分散地面压力）

情绪状态：The dog's ears flattened slightly as Cook spoke his name.（狗听到名字时耳朵微微耷拉）

物品形态：A flattened strawberry lay on the sidewalk.（一颗被压扁的草莓落在人行道上）

无论是描述物理形变、极端破坏，还是抽象的竞争结果，flattened 都强调“从立体到平面”或“从优势到劣势”的转变。下次看到被压平的纸张、惨败的比赛结果，或是紧贴墙壁躲避的人，你就能准确用上这个词了——它就像语言中的“压路机”，让抽象的变化变得具体可感。