The shape of the toy + is dumb bell shape.

玩具的形状是哑铃形的.

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Tom is a dumb bell while Mary is a dumb Dora. The are exactly fifty - fifty.

汤姆是笨蛋而玛莉是傻女,他们真是半斤八两了.

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Dumb - bell ZnO with high purity and uniform size was synthesized by ultrasonic - assisted reflux method.

采用超声波辅助回流法制备了高纯度且尺寸一致的哑铃状氧化锌.

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Coordinate with dumb bell can exercise the muscle of the upper limb and chest.

配合使用哑铃,可同时锻炼上肢及胸部和背部肌肉.

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