uncoil sth
作及物动词时，宾语是被解开、展开的东西。
He uncoiled the hose and laid it across the lawn.
他解开软管，把它铺在草坪上。
解开；展开
uncoils — third person singular of uncoil
（自身）松开；舒展；解开或展开(某物)。；自身松开或展开。
解开或展开(某物)。
To unwind or untwist (something).
自身松开或展开。
To unwind or untwist oneself.
一般现在时
The snake uncoils slowly when it senses warmth.
蛇感觉到温暖时会慢慢地伸展开。
一般过去时
He carefully uncoiled the rope from the anchor.
他小心地把绳子从锚上解开了。
现在进行时
The cat is uncoiling the ball of yarn under the table.
猫正在桌子底下把毛线团解开。
规则动词，遵循标准拼写变化。
She carefully uncoiled the garden hose before watering the plants.
她小心地解开花园水管，然后给植物浇水。
用法提示：uncoiled 是 uncoil 的过去式，及物动词，表示把缠绕的东西解开。
The snake slowly uncoiled itself from the branch.
蛇慢慢从树枝上松开自己的身体。
用法提示：uncoiled itself 使用反身结构，表示蛇自身舒展、松开。
He watched the rope uncoil across the deck as the boat rocked.
他看着绳子随着船摇晃在甲板上展开。
用法提示：uncoil 是动词原形，用在 watch 后作宾语补足语，表示绳子自行展开。
作及物动词时，宾语是被解开、展开的东西。
He uncoiled the hose and laid it across the lawn.
他解开软管，把它铺在草坪上。
作不及物动词时，主语自身松开或展开，不接宾语。
The snake uncoiled slowly in the sun.
蛇在阳光下慢慢舒展开身体。
from 引出松开前所缠绕或附着的位置。
The cable uncoiled from the reel with a snap.
缆绳啪的一声从卷轴上松开。
grammar · medium
易错句子He uncoil the rope and laid it on the floor.
正确表达He uncoiled the rope and laid it on the floor.
uncoil 是动词原形，不能表示过去动作；句中 laid 表明事情发生在过去，所以要用 uncoil 的已知过去式 uncoiled。汉语动词不随时间改变形式，学习者容易漏掉 -ed。
grammar · medium
易错句子The uncoil of the cable took a few minutes.
正确表达The uncoiling of the cable took a few minutes.
uncoil 只作动词，不能直接放在 the 后作名词；表示“解开、展开”这一动作时应使用动词的 -ing 形式作名词，即 uncoiling。
grammar · medium
易错句子She uncoiled the map and spread it on the table.
正确表达She unfolded the map and spread it on the table.
uncoil 指把盘绕成圈的东西解开、展开，如绳子或蛇身；折叠的地图应当用 unfold。汉语里两者都可说“展开”，但英语要按物体是“盘绕”还是“折叠”来选词。
强调把卷绕或缠绕的东西一圈圈放开，也可引申为人放松；uncoil 通常只指盘绕物自身松开或把盘绕物展开，不表示人放松。英式与美式拼写相同。
侧重把互相扭绞的线、绳等逆向转开，解除扭结；uncoil 侧重从盘绕状态伸展开，未必有扭绞。绳线语境中两者可重叠，但单纯展开盘绕物时 untwist 不常用。
指把卷成筒状的东西展开，如地毯、画卷；uncoil 多用于螺旋盘绕的绳索、蛇等。卷状物常用 unroll，盘绕物更常用 uncoil，但实际用法有交叠。
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