| 单词 | roll sth↔down |
| 释义 | ● ˌroll sth↔ˈdown to open sth by turning a handle 摇开；旋开◆ He rolled down his car window and started shouting at them . 他摇下车窗，朝他们大声喊起来。to make a rolled piece of clothing , etc . hang or lie flat 展开，铺开，摊开（卷状物）◆ to roll down your sleeves 捋下袖子See also roll |
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