A: What type of tree is that?
　　B: I think it is a maple
　　maple n. 槭樹，楓樹，槭木

　　A: I really dislike Stephanie.
　　B: Don’t try to mar me with your negative impressions of her before I even meet her.
　　mar vt. 破壞，毀壞

　　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、石頭等制成的)彈子;3. [pl.]彈子游戲

　　A: The mare is expecting her foal in three weeks.
　　B: Oh! I thought a mare was a male horse, silly me!
　　mare n. 母馬，母驢

　　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. 僅以微弱多數票獲勝的;3. 記(或引)在頁邊的，有旁注的

　　A: Have you ever smoked marijuana?
　　B: No, I have never tried drugs.
　　marijuana n. 大麻，大麻煙

　　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.
　　B: Don’t worry, it will dry out soon.
　　marsh n. 沼澤，濕地

　　A: I was a marshal in the army for 11 years.
　　B: Gosh, that is a high rank, you must have worked hard to get there.
　　marshal n. 1. 元帥，最高指揮官;2. (某些群眾活動的)總指揮，司儀;3. (美國的)執法官，警察局長，消防隊長
　　vt. 整理，排列，集結

　　A: I read that the ancient Romans were martial people.
　　B: I’m not sure if they were inclined to war.
　　martial a. 戰爭的，軍事的，武術的

　　A: The sunset is amazing.
　　B: Yes, I am sitting here marveling at it right now.
　　marvel vi. (at) 驚嘆，贊佩
　　vt. 對……感到驚異
　　n. 令人驚異(或不可思議)的事，奇跡

　　A: That girl looks particularly masculine.
　　B: Maybe it is because she lifts weights.
　　masculine a. 1. 男性的，男子的;2. 男子氣的

　　A: Shall I mash your potatoes?
　　B: No, thanks, I like them whole.
　　mash vt. (up)　把……搗成糊狀
　　n. 糊狀物

　　A: The soldiers massacred each other with gunfire during the war.
　　B: Do you know how many people were killed?
　　massacre vt. 1. 大規模屠殺，殘殺;2. 徹底擊敗
　　n. 1. 大屠殺，殘殺;2. (比賽等)殘敗