Every muscle in her shoulders and arms went taut as she strained to maintain the pressure, to squeeze back the flood.

每次挤压，她都要小心翼翼的保持力度，肩上和双臂的肌肉不得不一直处在紧张状态。

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I strained a muscle in my back playing tennis.

我打网球时拉伤了背部的肌肉。

youdao

I strained a muscle in my back playing tennis.

我打网球时拉伤了背部的肌肉。

youdao