Ju is a ball, the ball is made of leather with the leather ball plugged in with the hair.

鞠是一种皮球，球皮用皮革做成，球内用毛塞紧。

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In some cases, a ball or dart is plugged to block circulation through the tool string and enable the application of the release pressure.

在某些情况下，用一个球或镖进行封堵，以便将通过工具管柱的循环切断，并使得能施加释放压力。

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Arnold Palmer's victory in 1958 remains controversial because of a drop he took when his ball became plugged.

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But he didn't make another birdie the rest of the way, and took a double bogey on the par-3 17th when his shot plugged into the bank short of the green and he never found the ball.

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