She excused herself from attending the meeting.她请求不参加会议。The boss of the ballroom excused them the fee.舞厅老板给他们免费。As soon as he'd finished eating, he excused himself...他一吃完就告辞离开了。She was excused duties on Saturday.星期六...
He excused himself and went up to his room.他告辞后回到他楼上的房间。I excused myself and ran back to the telephone.我说了声抱歉，跑回到电话机旁。As soon as he'd finished eating, he excused himself.他一吃完就告辞离开了。...
有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Organic food is unadulterated food produced without artificial chemicals or pesticides.《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。The Oxford Chemistry Primers aim to cover important topics in organic chemistry.硝酸...