1.indistinct a．模糊的，朦胧的(not distinct)；难以清楚辨认的(not clearly recognizable or understandable)

词根记忆：in（不）+distinct(清楚的)--不清楚的--模糊的

例：Although the lines of competition are clearly defined in industries that are more established, they are blurred and indistinct in the Internet industry, as competing companies one day may be partners the next.

派生词：indistinction (n．无差别：不清楚)

2.indistinguishable a．难区分的，不能分辨的(not distinguishable)

词根记忆：in（不）+distinguish(区分)+able(能)--不能分辨的

例：The patients who underwent coronary bypass surgery but did not benefit from it were medically indistinguishable.

派生词：indistinguishably( ad.不能识别地：无差别地)

同根词：distinguished（a．著名的：高贵的）

3. individual a．单独的，个人的(single; separate);n.个人，个体(single human being)

词根记忆：in+divid(分割)+ual--分割开的--单独的

例：Some individual firms in developing countries have raised their productivity but kept their wages low.

派生词：individually( ad.个别地，单独地)；individualist(n．利己主义者：个人主义者)

同根词：division(n，分割：部门)

4.individualism n.利己主义，个人主义(a doctrine that the interests of the individual are or ought to be ethically paramount)

例：Influenced by Western individualism, these historians define a peculiar form of personhood: an innately bounded unit, autonomous and standing apart from both nature and society.

5.induce v．引诱(to allure, to tempt)；促使，引起(to cause)

词根记忆：in+duce(引导)--引导--引诱

例：Charging households a fee for each pound of trash will induce residents to reduce the amount of trash they create.

派生词：inducement(n．劝诱：动机)；inducing(a．产生诱导作用的)

6.indulge v.(in)享受(to take unrestrained pleasure in)；沉湎于(to immerse)；放纵(to give free rein to)

发音记忆：一打就急--放纵

例：When the current economic boom ends, consumers will still want to indulge in small luxuries.//Today's low gasoline prices make consumers willing to indulge their preference for larger cars.

派生词：indulgence(n.放纵，任性)；indulgent(a．放纵的)

7.industrialization n.工业化(the development of industry on an extensive scale)

词根记忆：来自industrialize(v.使工业化)

例：It is based on an underestimation of the time that married women spent on housework prior to the industrialization of the household.

同根词：industrious(a．勤勉的)

8.industrialize v.工业化(to make industrial)

词根记忆：来自industry(n.产业：工业)

例：The expected rise in the price of oil could be a serious impact to industrialized nations and could severely diminish the possibility to have an economy free of inflation.

派生词：industrialization(n．工业化)

同根词：industrial(a．工业化的)

9.ineffective a．无效的（not producing an intended effect)

词根记忆：in（不）+effective(有效的)--无效的

例；Biocontrol agents may be ineffective in destroying targeted species.

派生词：ineffectively( ad.无效地)

同根词：effective(a．有效的)