teem: implies productiveness or fecundity: the rivers ~ed with fish and the woods with game.   (fecund多产emphasizes abundance or rapidity in bearing fruits or offspring or projects, inventions, or works of art，如came from a remarkably fecund family多产的家庭，如her fecund imagination她丰富的想像）


abound: implies plentitude in numbers or amount and usually stresses profusion: the sturdy maples with which the local forests ~.  （plentiful或plenty, plentitude意思是great rich supply大量供应，有时间最好背下来） （profuse大量pouring forth without restraint in a stream和pour forth是谐音好记，如uttered profuse apologies一再道歉）


swarm: usually stresses motion and thronging, but it may suggest infestation: tenements that ~ed with rats and other vermin. （infest昆虫动物大量出没，侵扰implies that  insects or animals are present in large numbers, typically so as to cause damage or disease，如shark-infested waters鲨鱼大量出没的水域，如the city is infested with cockroaches这座城市蟑螂成灾）  不要错写成"tenament"    vermin表示害兽鸟虫看作是复数，还表示歹徒


overflow: adds to abound the notion of glutting or of exceeding someone's or something's capacity to contain or use: ~ing with human kindness.   （glut充斥implies an excess in feeding or supplying that chokes or impedes，如bookstores glutted with diet books充斥减肥书，其中choke是窒息哽噎，impede表示阻碍）


teem多产丰富: 表示多产，abound大量慷慨: 指数量大，或毫不吝啬，swarm蜂群大群密集: 表示移动推挤，或表示害虫出没，overflow充满洋溢: 表示量大到超出容量用量


记忆方法: 1）首字母TASO想成燕麦oats<==物产丰富

         2）丰富的意思是大量丰富mean to be plentifully supplied with or rich in.