manifest 显然的，明了的manifest superiority

manipulate (熟练地)操作 Mr. Smith manipulated the ivory chopsticks with great dexterity

mature 熟的，成熟的 a mature fruit

merit 长处，优点，价值，功绩 merits and demerits

minor 较小的，较少的，较不重要的

mislead 把……引错方向，把……引入歧途

moan 呻吟声，呜咽声 Each time she moved her leg she let out a ～ .

mobilize 动员 Our country’s in great danger, we must ～ the army.

mock 嘲笑，嘲弄 He had ～ed her modest ambitions.

model 模型，原形 build airplane ～s

modify 修改，更改 ～a law

momentary 片刻的，瞬息的 a ～ feeling of fear

monitor (学校的)班长 a ～ in class 5.

mortgage 抵押(借款)He will have to ～ his land for a loan.

motion 动，运动the ～ of the planets

motive 动机，目的be proper in～

mount登上， 爬上～ the steps

multiply 乘，相乘～ 7 and 8

muscle 肌肉 facial ～s

mutual 相互的， 彼此的 ～ aid

narrate 叙述，讲述 ～ the story of sb’s life

nasty 龌龊的，肮脏的 a～ room

necessitate 使成为必须，需要 The emergency ～d a change in plans.

necessity 必要(性)，(迫切)需要 There is no ～ for disappointment.

neglect 忽视，忽略 ～ one’s health

negligent 疏忽的，大意的 be ～ about traffic regulations

nominal 名义的，有名无实的 a ～ leader