A: I’m getting a new fireplace installed. 　　B: Is it the marble one you had your eye on? 　　marble 　　n. 1.大理石;2.(用玻璃、石头等制成的)弹子;3.[pl.]弹子游戏 　　A: The mare is expecting her foal in three weeks. 　　B: Oh! I thought a mare was a male horse, silly me! 　　mare 　　n. 母马，母驴 　　A: Did you do well in the exam, Sir? 　　B: Yes, you only made some marginal errors. 　　marginal 　　a. 1.微小的，少量的，不重要的;2.仅以微弱多数票获胜的;3.记(或引)在页边的，有旁注的 　　A: Have you ever smoked marijuana? 　　B: No, I have never tried drugs. 　　marijuana 　　n. 大麻，大麻烟 　　A: What is your marital status? 　　B: I am married. 　　marital 　　a. 婚姻的，夫妻的 　　A: I’m going to visit the maritime museum this afternoon. 　　B: I assume that it is the one by the sea. 　　maritime 　　a. 1.海的，海事的，航海的;2.近海的，海的 　　A: It rained so much. My garden is like a marsh.