1.maturation n.成熟( the process of becoming mature)

例：sexual maturation性成熟

2.mature v./a.成熟（的）(to ripen)

聯想記憶：自然(nature)中的n更換成m就是成熟的(mature)

例：Cotton plants mature quickly.

3.maturity n.成熟(the quality or state of being mature)

詞根記憶：來自mature(a．成熟的)

例：If the group faces excessive hunting, individuals that reach reproductive maturity earlier will come to predominate,

同根詞：maturation(n.成熟；化膿)

4.maxim n．格言(a succinct formulation of a fundamental principle, general truth, or rule of conduct)

聯想記憶：max(偉大)+im --最俸大的建議--格言

例："A penny saved is a penny earned" is an old maxim.

同根詞：maximal(a_最大的)：maximum(n.最大量)

5.maximize v.最大化( to increase to a maximum)

詞根記憶：來自max(n.最大值)

例：Therefore, to increase repeat sales and maximize profits, we should discontinue the deluxe light bulb.

派生詞：maximization(n.極大化，最大化)

同根詞：maximum(n.最大量；a．最高的)

6.measles n.（單復數同）麻疹( an acute, contagious viral disease usually occurring in childhood and characterized by eruption of red spots on the skin, fever, and catarrhal symptoms)

7.mechanical a.機械的(of or relating to machinery or tools);呆板的(done without thinking, like a machine)

詞根記憶：來自mechanic(a．手工的)

例：Most geologists and many historians today believe that Wegener's theory was rejected because of its lack of an adequate mechanical basis.

派生詞：mechanically( ad.機械地；呆板地)

同根詞：mechanism(n.機制;技巧)

8.mechanism n.機械裝置（a piece of machinery）；機制(a process, technique, or system for achieving a result)

詞根記憶：mechan(機械)+ism--機械裝置

例:The new vaccine uses the same mechanism to ward off influenza as injectable vaccines do.

9.mechanization n.機械化，機動化(to make mechanical)

詞根記憶：來自mechanize(v.使機械化)

例：The mechanization of farming in the village of Long Bow doubled the corn yield while the previous year's costs were cut in half.

同根詞：mechanical(a．機械的；力學的)