Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前,务必要关上电源,关好窗户。
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
没病,让娜,我没生过病。我知道我看上去比我的年纪要大些,那是因为劳累的缘故--10年的劳累呀!
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.