外研版高中英語(yǔ)必修2module1ourbodyandhealthyhabits教學(xué)參考資料(完整版)
【正文】 ing the mouse too hard, or pounding the keyboard. Even emotional stress can lead to strain and pain. People are particularly stressed out right now, and often emotional stress turns to physical stress, which t urns to worse posture, which turns to pain, which turns to more stress, says Wendy Young, a certified ergonomist . [來源 :] [來源 :] 不是只有從事體力勞動(dòng)的工作才會(huì)對(duì)身體造成嚴(yán)重的傷害。 重復(fù)性的動(dòng)作，比如打電話、用彎曲的手腕打字或者使 用
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