1.ingenuity n.巧思(imaginative and clever design or construction)；獨創(chuàng)性( inventiveness)

聯(lián)想記憶：in+gen(產(chǎn)生)+uity--能產(chǎn)生很多點子--巧思

例：They surprised us with their ingenuity.

2.ingest v.咽下，吸收(to take in)

詞根記憶：in(進(jìn)入)+gest(運，載)--運入--吸收

例：Newborn mice do not normally ingest any substance other than their mother's milk.

派生詞：ingestion(n.吸收，攝取)

同根詞：congestion(n.擁擠)；digest(v.消化)

3.ingrained a．根深蒂固的(deep-seated)

詞根記憶：in（進(jìn)入）+grain（木頭的紋理）+ed--進(jìn)入紋理之內(nèi)--根深蒂固的

例：a deeply ingrained belief一個根深蒂固的信仰

4.ingredient n.成分，要素(element)；（烹調(diào)的）配料(something that enters into a com- pound or is a component part of any combination or mixture)

詞根記憶：ingr(=integr完整，進(jìn)入)+edi(吃)+ent--放入食物內(nèi)的東西--配料

例：Most people agreed that the principal ingredient of a civic education was literacy.//A chef purposely excludes the special ingredient from the recipe of his delicious dessert.

5.inhabit v.居住于，棲居于(to live in, dwell)

詞根記憶：in（進(jìn)入）+habit(居住)--住在里面--居住于

例：The waters the creatures inhabit contain few nutrient resources.

派生詞：inhabitant(n．居民；棲息的動物)；uninhabited(a．無人居住的)

6.inhalation n．吸入(the act or an instance of inhaling)

詞根記憶：來自inhale(v.吸入)

例：Smoke hoods can prevent their users from inhalation of toxic gases.

同根詞：exhale(v.呼氣); halitus (n．氣息；蒸氣)

7.inherent a．固有的，內(nèi)在的(intrinsic)

詞根記憶：in(內(nèi)在)+her(繼承)+ent--天生繼承下來的--固有的

注意：coherent(a．粘在一起，一致的)

例：inherent contradictions內(nèi)在矛盾

派生詞：inherently( ad.天性地，固有地)

8.inherit v.遺傳(to pass down);繼承(to receive from a parent or ancestor by genetic transmission)

詞根記憶：in+her(繼承)+it--繼承

例：inherited illnesses遺傳病

派生詞：inheritance(n．遺傳i遺產(chǎn))；inherited(at遺傳的)

9.inhibit v.阻止(to prohibit)；抑制(to restrain)

詞根記憶：in（不）+hibit(拿住)--不讓拿住--阻止，抑制

例：Some substances in the tranquilizer(鎮(zhèn)定劑)will inhibit fertility.

派生詞：inhibitory(a．抑制的)：inhibitor(n.抑制劑)

同根詞：exhibit(v.展覽)：prohibit(v.阻止)