1.moisture n．水分;湿度(liquid diffused or condensed in relatively small quantity)
词根记忆：来自moist(n.潮湿)
例：Corn that does not receive adequate moisture during its critical pollination stage will not produce a bountiful harvest.
派生词：moisturize(v.增加水分；变潮湿)
同根词：moistener(n.润湿器)
2.mold n.模子(a frame or model around or on which something is formed or shaped)；v．塑造(to give shape to);对…产生影响(to determine or influence)
例：The wax conforms perfectly to the mold.//Customized computer software can be molded to fit the way a company does business.//His character was molded by his early childhood experiences.
3.mole n．鼹鼠
联想记忆：鼹鼠(mole)会打洞(hole)
例：mole rat鼹鼠
4.molecule n.分子(the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms
词根记忆：mol(摩尔，克分子)+ecule--分子
例：Studies of plants have now identified a new class of regulatory molecules.
派生词：molecular(a.分子的)
5.molten a．熔融的，熔化的(melted, made into liquid)
曾是古语中melt的过去分词，现用作形容词
例：Molten lava flowed down the mountain from the volcano.
6.monarch n．君主(one who reigns over a state or territory usually for life and by hereditary right)
词根记忆：mon(单个)+arch(统治者)--个人统治--君主
例：Many monarchs were tyrannical.//monarch butterfly 黑脉金斑蝶
7.monitor v.监控(to watch, keep track of, or check for a special purpose);n．班长 (a student appointed to assist a teacher)
例：Small transmitters are now used to monitor heart patients exercise, as well as athletes exercising.
8.mononucleosis n．单核细胞增多症(an abnormal increase of mononuclear white blood cells in the blood)
例：Most victims of infectious mononucleosis recover after a few weeks of listlessness.
9.monopolistic a.垄断的：独占性的(of or related to monopolizing);专利的(having exclusive control over a commercial activity by possession or legal grant)
词根记忆：mono(单一)+polistic(政治的)--单一的政治--垄断的
例：Despite these findings, we are urged to support monopolistic power on the grounds that such power creates an environment supportive of innovation.