1.mow v.割（草等）(to cut grass or grain from)
联想记忆：割(mow)草喂牛(cow)
例：Raymond took several days to mow the lawn.
派生词：mower(n．割草工人，割草机)
2.multicellular a．多细胞的（having or consisting of many cells）
词根记忆：multi(多)+cellular(细胞的)--多细胞的
例：multicellular plants and animals
3.multiple n.倍数(the product of a quantity by an integer)
派生词：multiply(v.乘)；multiplication(n.乘法；增加)
4.multinational a．跨国公司的；多国的（of or relating to more than two nationalities）；n．跨国公司
词根记忆：multi(多)+nation(国)+al--多国的
例：They are used more frequently by multinational corporations than by companies with strictly domestic operations.
同根词：multilateral(a．多边的)
5.multiple a．多样的，多重的(various; including more than one)
词根记忆：multi(多)+pIe--多样的，多重的
例：Both Ryans model of class and the traditional model consider multiple factors, including wealth, marital status, and enfranchisement, in determining womens status.
派生词：multiply( ad.多样地；讥乘)
6.multiply v.乘( to perform multiplication on)；增加(to increase)
词根记忆：mutti(多)+pIy（表动词）--变多--增加
例：When 6 is multiplied by 8.the result is 48. 11 Since 1970 the number of Blacks elected to federal offices in the United States has multiplied nearly four times.
派生词：multiplication(n．乘法；增加)
7.multitude n.大量，众多(a great number)
词根记忆：multi(多)+tude--多的状态--大量
例：The concert was attended by multitudes of music lovers.
8.municipal a．市的(civic)；市政的(of or relating to the internal affairs of a major political unit)
词根记忆：muni（官方职责）+cipal--市政的
例：Paper of all kinds is the biggest single component of municipal trash.// municipal government市政府
派生词：municipality(n．市，市政当局)
9.municipality n.市；市政当局(the governing body of an urban political unit)
词根记忆：来自municipal(a．市政的)
例：In order to avoid the serious health threats associated with many landfills, our municipality should build a plant for burning trash.
同根词：municipally( ad.市政上)