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V-ERG
(使)滚;(使)滚动
When something rolls or when you roll it, it moves along a surface, turning over many times.
例句
The ball rolled into the net...
球滚进了网中。
Their car went off the road and rolled over...
他们的车冲出公路，翻倒在一旁。
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VERB
(身体)滚动，打滚
If you roll somewhere, you move on a surface while lying down, turning your body over and over, so that you are sometimes on your back, sometimes on your side, and sometimes on your front.
例句
When I was a little kid I rolled down a hill and broke my leg...
我小时候从一座山坡上滚了下来，把腿摔断了。
They just rolled about on the floor punching each other like schoolboys...
他们像小学生一样，在地板上滚来滚去，互相挥着拳头揍对方。
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VERB
(车辆)慢慢开动，缓缓行进
When vehicles roll along, they move along slowly.
例句
The lorry quietly rolled forward.
卡车静静地缓慢前行。
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VERB
(机器)转动，运转，工作
If a machine rolls, it is operating.
例句
He slipped and fell on an airplane gangway as the cameras rolled...
在摄像时他不慎滑倒在飞机座位间的通道上。
The newspaper presses are rolling in Pittsburgh again today.
今天，匹兹堡的报纸又开始印刷了。
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VERB
(液体)滚落，滑落
If drops of liquid roll down a surface, they move quickly down it.
例句
She looked at Ginny and tears rolled down her cheeks.
她看着金尼，泪水滑落脸庞。
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VERB
卷;绕;使成筒状（或球状）
If you roll something flexible into a cylinder or a ball, you form it into a cylinder or a ball by wrapping it several times around itself or by shaping it between your hands.
例句
He took off his sweater, rolled it into a pillow and lay down on the grass...
他脱下毛衣，将它卷成一个枕头，然后在草地上躺了下来。
He rolled and lit another cigarette.
他又卷了一支烟并点着了。
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N-COUNT
卷;卷轴
A roll of paper, plastic, cloth, or wire is a long piece of it that has been wrapped many times around itself or around a tube.
例句
The photographers had already shot a dozen rolls of film.
摄影师们已经照了一打胶卷了。
...a roll of blue insulated wire.
一卷蓝色的绝缘电线
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VERB
摇(车窗);卷（窗帘等)
If you roll up something such as a car window or a blind, you cause it to move upwards by turning a handle. If you roll it down, you cause it to move downwards by turning a handle.
例句
In mid-afternoon, shopkeepers began to roll down their shutters...
下午三时左右，店主们开始放下百叶窗。
She rolled up the window and drove on...
她把车窗摇上来，继续开车。
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V-ERG
转动(眼睛)；(眼珠)骨碌碌地转
If you roll your eyes or if your eyes roll, they move round and upwards. People sometimes roll their eyes when they are frightened, bored, or annoyed.
例句
People may roll their eyes and talk about overprotective, interfering grandmothers...
人们可能会翻着白眼谈论那些溺爱儿孙、样样都要插手的祖母。
His eyes rolled and he sobbed.
他转了转眼睛，呜咽起来。
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N-COUNT
（一人份的）小圆面包，面包卷
A roll is a small piece of bread that is round or long and is made to be eaten by one person. Rolls can be eaten plain, with butter, or with a filling.
例句
He spread butter on a roll.
他把黄油抹在小圆面包上。
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N-COUNT
（鼓的）咚咚声,隆隆声,持续的轰鸣声
A roll of drums is a long, low, fairly loud sound made by drums.
例句
As the town clock struck two, they heard the roll of drums.
当小镇的时钟敲响两点钟时，他们听到了隆隆的鼓声。
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N-COUNT
名单;名册
A roll is an official list of people's names.
例句
...the electoral roll.
选民名单
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PHRASE
连连成功;连交好运
If someone is on a roll, they are having great success which seems likely to continue.
例句
I made a name for myself and I was on a roll, I couldn't see anything going wrong.
我靠自己的能力成名了，接二连三地获得成功，我觉得一切似乎一帆风顺。
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PHRASE
盼望;期待
If you say roll on something, you mean that you would like it to come soon, because you are looking forward to it.
例句
Roll on the day someone develops an effective vaccine against malaria.
盼望有一天有人会研制出一种能有效预防疟疾的疫苗。
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PHRASE
集于一身;融为一体
If something is several things rolled into one, it combines the main features or qualities of those things.
例句
Experts claimed that teachers had to be Einstein, Marie Curie and Linford Christie rolled into one to help children grasp the new national curriculum...
专家们称老师必须集爱因斯坦、居里夫人和林弗德·克里斯蒂的本领于一身，才能帮助孩子们掌握新的国家课程大纲。
This is our kitchen, sitting and dining room all rolled into one.
这既是我们的厨房，又是客厅和餐厅。