machine[m ‘ in] n. a man-made instrument or apparatus which uses power(such as
electricity)to perform work 机器，器械
mad[m d] adj. 1.ill in the mind 发疯的，疯的
2.filled with strong feeling, interest, etc. 狂热的；着迷的
madam[’m d m] n. a polite way of addressing a woman, usu. sb. one does not know personally对妇人的尊称，通常用于不相识者
