1.intersect v.相交(to cross)

词根记忆：inter+sect (切，割)--从中间切--相交

例：Clark Street and North Avenue intersect near the park.

同根词：dissect(v.解剖)：section(n．部分)

2.intersection n．交叉点(a place or area where two or more things intersect)；【数】交集 (the set of elements common to two or more sets)

词根记忆：inter(在…中间)+sect(切割)+ion--在路面中间切割--十字路口--交叉点

例：Two runners leave at the same time from the intersection of two country roads.

3.interservice a．【军】各军种间的(existing between or relating to two or more of the armed services)

例：Passage of the bill did not bring an end to the bitter interservice disputes.

4.intersperse v.散布（to place something at intervals in or among)

词根记忆：inter(在…之间)+sperse(散布)--散布

例：The author interspersed useful charts throughout the book.

同根词：disperse(v.驱散)；asperse(v.诽谤)

5.interstate a．洲际的( of, connecting, or existing between two or more states); n.美洲际公路(any of a system of expressways connecting most major United States cities)

分拆记忆：inter(在…之内)+state(洲)--洲际的

例：Not one of the potential investors is expected to make an offer to buy First Interstate Bank until a merger agreement is signed.

6.interstellar a．星际的(located, taking place, or traveling among the stars especially of the Milky Way galaxy)

词根记忆：inter(在…之间)+stell(星)+ar--星际的

例：the interstellar gas星际气体

7.interval n.间隔，间距(the amount of time between two specified instants, events, or states)

词根记忆：inter(在…之间)+val--间距

例：the time interval时间间隔

8.intervention n.干涉，介入(interposition)

例：Government intervention cannot affect the rate of inflation to any significant degree.

9.intestinal a．肠的(of, relating to, or constituting the intestine)

词根记忆：来自intestine(n．肠)

例：intestinal disease肠道疾病