It works your abs and the surrounding stabilizing muscles.

它使你的腹部和周围的稳定肌肉群得到锻炼。

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Don't get so into your abs that you overlook your other muscles.

不要太关注你的腹部而忽略了你身上的其他肌肉。

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"Every time you stop at a red light, contract your abs for a count of five and then let go and repeat, " she says.

WSJ: Before Outer Space, He Conquers Continents

If your vehicle has ABS in very slippery conditions it will not give you the same control it would in others.

BBC: How to drive in snow and icy weather