幸运的是，如何处理过多的臂下的汗水。

Fortunately, there are ways to deal with excessive underarm perspiration.

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触角星系因其长长的触角状旋臂而得名，用广角视野观察下这个“触角”很明显。

The Antennae galaxies take their name from the long antenna-like "arms," seen in wide-angle views of the system.

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只见它伸出带关节的机械臂，四下里旋转，然后就用带橡皮垫的长手指轻轻地拾起了订书机。

Its articulated arm reaches out, swivels here and there, and then gently picks up the stapler with long, rubber-clad fingers.

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