yo yos

美

英

权威英汉双解

yo yos

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1.	悠悠球，溜溜球，摇摇（拉线使圆盘旋转着沿线上下来回移动）a toy that consists of two round pieces of plastic or wood joined together, with a piece of string wound between them. You put one end of the string around your finger and make the yo-yo go up and down.

He kept bouncing up and down like a yo-yo .

他像个悠悠球似的不停地上窜下跳。

1.	[i] ( adv./prep.) 上下跳动；左右摇摆to change repeatedly in size, amount, quality, etc. from one extreme to another

When I was young my weight yo-yoed between 140 and 190 pounds.

我年轻时体重在 140 到 190 磅之间忽上忽下。

adj.

1.	[obn] 上下跳动的；左右摇摆的changing repeatedly in size, amount, quality, etc. from one extreme to another

She worries about her pattern of yo-yo dieting.

节食后体重反弹，再节食再反弹，她对这种模式很担心。