M
macroscopic肉眼可见的
magnet 磁铁,磁铁石 The pin was extracted with a magnet
magnify 放大,扩大 I want to magnify this picture
maintain 维持,保持 maintain law and order
malfunction 发生功能障碍,发生障碍 If the computer malfunctions it fails to work properly
maltreat 粗暴地对待,虐待 We’ll not intervene unless the children are being physically maltreated
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
meet 遇见,碰到 He met her there by chance
melt 使融化,使熔化 The sun melted the snow