a roll of sth
后接被卷成筒状的东西，表示“一卷、一筒……”，如 a roll of paper、a roll of film。
She loaded a roll of film into the camera.
她把一卷胶卷装进相机。
名单；名册；登记表；滚动；旋转；翻滚；跟头；卷轴；书卷；巨浪；波涛
a thing that has been rolled up into a cylindrical or compact shape, such as a roll of paper
滚动的动作或结果,或被滚动的状态。
The act or result of rolling, or state of being rolled.
That which is rolled up.
物体绕自身轴的旋转运动
rotary motion of an object around its own axis
卷成紧凑形状的东西。
Something formed into a compact shape by being rolled up.
A document written on a piece of parchment, paper, or other materials which may be rolled up; a scroll.
名单
a list of names
体操中的前滚翻或后滚翻；翻跟头；跌倒。
A forward or backward roll in gymnastics; going head over heels. A tumble.
An official or public document; a register; a record.
向岸边推进的长而大的海浪
a long heavy sea wave as it advances towards the shore
能滚动的东西。
Something which rolls.
A catalogue or list, (especially) one kept for official purposes.
大摇大摆或摇晃的步伐。
A swagger or rolling gait.
A food preparation comprising one or more ingredients wrapped in, e.g., flatbread, lettuce leaf, etc.
沉重、回荡的声音。
A heavy, reverberatory sound.
A quantity of cloth wound into a cylindrical form.
鼓声急促连续敲击,几乎无法分辨单次击打的声音。
The uniform beating of a drum with strokes so rapid as scarcely to be distinguished by the ear.
A cylindrical twist of tobacco.
船舶绕纵轴左右摇摆的运动,船身两侧上下起伏,区别于船首尾交替升降的纵摇；也指飞机的类似运动。
The oscillating movement of a nautical vessel as it rotates from side to side, about its fore-and-aft axis, causing its sides to go up and down, as distinguished from the alternate rise and fall of bow and stern called pitching; or the equivalent in an aircraft.
A kind of shortened raised biscuit or bread, often rolled or doubled upon itself; see also bread roll.
船舶绕纵轴左右摇摆的程度或幅度。
The measure or extent to which a vessel rotates from side to side, about its fore-and-aft axis.
A measure of parchments, containing five dozen.
绕纵轴旋转的角度。
The rotation angle about the longitudinal axis.
飞机绕纵轴完成一次或多次完整旋转的动作实例。
An instance of the act of rolling an aircraft through one or more complete rotations about its longitudinal axis.
The act of, or total resulting from, rolling one or more dice.
A winning streak of continuing luck, especially at gambling (and especially in the phrase on a roll).
A training match for a fighting dog.
The skill of righting a canoe or kayak which has capsized, without exiting the watercraft, or being assisted.
Any of various financial instruments or transactions that involve opposite positions at different expiries, "rolling" a position from one expiry to another.
An operation similar to a bit shift, but with the bit that "falls off the end" being wrapped around to the other end.
A 14-day deployment.
The sudden roll of the ship made everyone grab the railing.
船的突然摇晃使每个人都抓住了栏杆。
用法提示：这里'roll'是名词，表示船的摇晃或旋转运动。
AI contextual example
The teacher called the roll at the beginning of class.
老师在上课开始时点了名。
用法提示：这里'roll'是名词，指名单，'call the roll'是点名的固定搭配。
AI contextual example
The powerful roll of the waves crashed against the cliff.
巨浪的猛烈翻滚拍打着悬崖。
用法提示：这里'roll'是名词，形容海浪的翻滚或巨浪。
AI contextual example
后接被卷成筒状的东西，表示“一卷、一筒……”，如 a roll of paper、a roll of film。
She loaded a roll of film into the camera.
她把一卷胶卷装进相机。
表示名字已登记在名册上；英式英语中常与 electoral 连用。
Are you on the electoral roll?
你在选民名册上吗？
give + 名词 + a roll 表示“让……滚动（或转）一下”，把动作当作名词来用。
Give the dice a roll.
把骰子掷一下。
grammar · medium
易错句子He played a big roll in the team's success.
正确表达He played a big role in the team's success.
roll 作名词表示“卷状物、名单、滚动”,而“角色、作用”用 role。两词读音相同、只差一个字母,写作时容易混用。
grammar · medium
易错句子I bought a roll paper to wrap the gift.
正确表达I bought a roll of paper to wrap the gift.
英语用“a roll of + 名词”表示“一卷……”,量词 roll 后必须跟 of;汉语“一卷纸”中没有介词,受此影响常会漏掉 of。
grammar · medium
易错句子I ate two roll for breakfast.
正确表达I ate two rolls for breakfast.
roll 是可数名词,前面有 two 等大于一的数词时要用复数 rolls;汉语名词不随数量变形式,所以容易漏加 -s。
（针对“滚动”义）停止滚动的状态，与旋转运动相对。
小圆面包
I had a bread roll with butter for breakfast.
我早餐吃了一个黄油小圆面包。
一叠钞票
The bank robber grabbed a roll of bills from the vault.
银行劫匪从金库中抢走了一叠钞票。
掷骰子
With one lucky roll of the dice, he won the game.
一次幸运的掷骰子，他赢了比赛。
一卷纸
He bought a roll of paper to wrap the gift.
他买了一卷纸来包礼物。
桶滚
The pilot performed a barrel roll in the air show.
飞行员在飞行表演中做了一个桶滚动作。
见招拆招，随遇而安
Life is full of surprises, so you have to learn to roll with the punches.
生活充满了意外，所以你必须学会见招拆招。
冒险一试，碰运气
I decided to roll the dice and apply for the job even though I lacked experience.
我决定碰碰运气，申请了那份工作，尽管我缺乏经验。
一次风流韵事
They had a quick roll in the hay, but it didn't lead to a relationship.
他们有过一次短暂的床笫之欢，但并没有发展成恋情。
这只是摇滚乐，但我喜欢
The band plays a mix of rock and roll and blues.
这个乐队演奏摇滚和蓝调的混合。
Choose the next layer that will help you use roll with more confidence.
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Preparing Confusing words
Complete this area with confusing words.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.
一卷胶卷
I need to develop this roll of film.
我需要冲洗这卷胶卷。