the tread of sth
tread 作名词可指脚步声，the tread of sth 用来说明脚步声的来源，多见于书面语。
I heard the tread of boots on the stairs.
我听见楼梯上传来靴子的脚步声。
步态；步伐；脚步声；胎面；鞋底花纹；梯面；踏步板；（雄鸟的）踩背；交配
a step taken with the foot; a single step in walking or running
指迈出的一步。
用脚迈出的一步
A step taken with the foot.
走或跑的一步
a step in walking or running
步态
A manner of stepping.
充气轮胎的凹槽表面
the grooved surface of a pneumatic tire
走路时发出的声音
The sound made when someone or something is walking.
与地面接触的部分(如轮子或鞋子)
the part (as of a wheel or shoe) that makes contact with the ground
楼梯上供脚踩的表面
A walking surface in a stairway on which the foot is placed.
轮胎表面刻的沟槽,用于增加抓地力
The grooves carved into the face of a tire, used to give the tire traction.
鞋底或其他鞋类底部的沟槽,用于增加抓地力
The grooves on the bottom of a shoe or other footwear, used to give grip or traction.
鸟蛋的系带；踏板
The chalaza of a bird's egg; the treadle.
鸟类交配行为,雄鸟站在雌鸟背上
The act of avian copulation in which the male bird mounts the female by standing on her back.
士兵站在上面以便越过胸墙射击的堤顶
The top of the banquette, on which soldiers stand to fire over the parapet.
马的脚或踝部因相互碰撞而产生的瘀伤或擦伤
A bruise or abrasion produced on the foot or ankle of a horse that interferes, or strikes its feet together.
She walked with a confident tread, as if she knew exactly where she was going.
她走路步伐自信，仿佛清楚地知道自己要去哪里。
用法提示：此处 tread 为名词，表示行走的步态/步伐。
His tread was so light that no one heard him enter the room.
他的脚步非常轻，没有人听到他走进房间。
用法提示：tread 是名词，指行走时抬脚落步的方式，可用形容词修饰。
The old man's slow tread across the courtyard showed how tired he was.
老人缓缓走过院子的步伐显示出他有多么疲惫。
用法提示：本句 tread 为名词，表示步态，slow 修饰其状态。
tread 作名词可指脚步声，the tread of sth 用来说明脚步声的来源，多见于书面语。
I heard the tread of boots on the stairs.
我听见楼梯上传来靴子的脚步声。
这一结构用形容词描写走路的步态，常见搭配有 light、heavy、soft、firm 等。
She walked into the room with a light tread.
她迈着轻快的步子走进房间。
指楼梯上供脚踩的踏板时通常用复数 treads；这个词也指轮胎或鞋底与地面接触的部分。
The treads of the old wooden stairs were worn smooth.
旧木楼梯的踏板已被磨得光滑。
指轮胎表面用于增加抓地力的沟槽时，用 the tread on a tire 说明它所在的位置。
The tread on the front tires is badly worn.
前轮胎面的花纹已严重磨损。
最常用，可表示具体的一步，也可表示走路的声音；在“tread”作“脚步/脚步声”时可替换。
强调一步或一步的声音，常与 heard 搭配；不用于轮胎胎面、楼梯踏板等专业义。
比 footstep 更书面/文学化，只指脚步的声音，使用频率较低。
grammar · medium
易错句子The tire's thread is worn and needs replacing.
正确表达The tire's tread is worn and needs replacing.
轮胎胎面的花纹是 tread，不是 thread。thread 指线或螺纹；tread 指轮胎接触地面的凹槽表面。两者拼写和发音相近，中文学习者容易混淆。
grammar · medium
易错句子The screw has a stripped tread, so it won't hold.
正确表达The screw has a stripped thread, so it won't hold.
螺丝上的螺纹是 thread，不是 tread。tread 指轮胎或楼梯踏板上的表面；thread 指螺旋状的纹路。中文学习者在表示“螺纹”时容易误用 tread。
grammar · medium
易错句子The staircase has many tread that are worn.
正确表达The staircase has many treads that are worn.
tread 作“楼梯踏板”解时是可数名词，复数形式为 treads。汉语名词通常没有复数变化，学习者容易忘记加 -s，导致语法错误。
轮胎胎面
The tire tread is wearing thin.
轮胎胎面磨损变薄了。
轮胎花纹深度
Use a coin to estimate the tread depth.
用一枚硬币估测一下轮胎花纹深度。
楼梯踏板
The stair tread is slippery when wet.
楼梯踏板湿的时候很滑。
沉重的脚步声
I recognized my father's heavy tread on the stairs.
我听出父亲上楼梯时沉重的脚步声。
鞋底纹路
The shoe tread is designed for hiking on rough trails.
这种鞋底纹路是为在崎岖小路上徒步设计的。
tread + mill
tread + -le
tread + wheel
tread + -less
tread + wear
轮胎表面的胎面就是tread的常见所指。
胎面上的沟槽形成tread的花纹。
tread的主要功能之一就是提供抓地力。
tread影响车辆与路面之间的牵引力。
轮胎的tread通常由橡胶制成。
发短 /ɛ/ 音 (如 head, bread)
Dictionary facts from DICTIONARY_API_DEV, ECDICT, OCTANOVE, WIKTIONARY, WORDNET.
Watch the sound change