Headphones seem to be getting smaller and smaller. But are the ones that sit inside you ears 44 for you than traditional ones that sit over you ears? They can be, 45 your music is too loud. Earphones pushed into the ear are going to deliver a greater sound pressure level compared 46 normal ones. And this could increase the risk of damage. If you hear ringing in your ears or things sound muffled[1] 47 listening, you’ve overdone[2] it. Usually the problem subsides[3], but listening to loud music regularly, with any type of headset[4], could 48 permanent hearing loss. Recent research suggests limiting use to an hour or less per day at no more than 60% volume for over-the-ear styles－and even less for ear-buds[5]. Never sleep with them on. 文章出處: http://www.rdasia.com/headphone-user-listen-to-this [1] KK:[tmSix] vt. 1. (為保暖等)包裹, 裹住; 蒙住[(+up)] She was muffled up in a red scarf. 她用一條紅圍巾把自己圍裹起來。 2. 裹住(鐘, 鼓等)使其聲音低沈[H] 3. 使(聲音)低沈; 消(音)[H] The noises of the street were muffled considerably. 街上的噪音減輕了許多。 4. 減弱(光線); 抑制(感情) Mother made an effort to muffle her emotions. 母親努力控制自己的感情。 5. 使含糊不清 [2] KK:[ucjRtgb] vt. 1. 把...做得過分 2. 使過於疲勞 3. 對...表演過火 [3] KK:[kQetkAag] vi. 1. 退落; 消退; 消失 The flood waters subsided. 洪水退去了。 2. 平靜下來, 平息 His anger subsided. 他的怒氣息了。 3. 下沈, 沈降; 沈澱 4. 坐下; 跪下; 躺倒 [4] KK:[toUgukUf] n. a set of headphones, typically with a microphone attached, used esp. in telephone and radio communication. [5] KK:[eSg] n. 1. 芽; 葉芽[C][U] 2. 花蕾[C][U] The peach flowers are now in bud. 桃花正含苞待放。 3. 萌芽, 未成熟的事物[C][U] Any ill-feeling has to be nipped in the bud. 一切惡感都必須在萌芽狀態就消滅。 4. 小孩; 少女[C]
寫作批改
VIP與詳解卡管理
