| 文章轉(zhuǎn)載自 21英語微商城 21世紀(jì)英文報 與疲憊有關(guān)的英文表達：
Lethargy /ˈleθərdʒi / n.無精打采，昏睡 例句：Symptoms include tiredness, paleness, and lethargy. 癥狀包括疲倦、面色蒼白和沒精打采。 ——《柯林斯英漢雙解大詞典》
Burn out 精疲力竭的 英文釋義：to become extremely tired or sick by working too hard over a period of time 例句：Is it any surprise, then, that so many good teachers burn out or become disenchanted? 有這么多優(yōu)秀的教師都感到精疲力竭，不再抱有幻想，還有什么好奇怪的嗎? ——WSJ: Fran Tarkenton: What if the NFL Played by Teachers' Rules?
Melatonin /ˌmeləˈtoʊnɪn / n.褪黑素
例句：In the United States, melatonin is sold as a food supplement, not a drug or medication. 在美國，褪黑素作為食品供給出售，而非藥物。 ——BBC: Prescriptions for jet lag |
