All the tomato plants are infected with a virus.所有番茄植株都感染了种病毒。

Mahatma Gandhi’s struggle for freedom infected the whole nation.圣雄甘地为自由进行的斗争感染了整个国家。

infinite adj.无限的，无穷的

The universe is theoretically infinite.从理论上来说，宇宙是无限的。

inflation n.通货膨胀

The country's inflation became so serious that many families stopped eating at restaurants and only ate at home.这个国家的通货膨胀变得太严重了，以至于许多家庭不再去饭店吃饭，而是只在家里做饭吃。

influence n.影响力；影响

Violence on TV may turn out to be a potent influence on some young people.结果证明，电视上的暴力可能会对年轻人产生很大的影响。

Media coverage is directly influencing how the public responds to the war.媒体报道直接影响着公众对战争的反应。

redient n.原料；成分

Flour, milk, butter and yeast are some ingredients in bread.面粉、牛奶、黄油和酵母是制作面包的几种原料。 

inhabitant n.居民，住户

San Francisco's Chinese community, comprising 67,000 inhabitants, is the largest concentration of Chinese outside of Asia.旧金山的华人社区共有 67,000名居民，是亚洲之外最大的华人聚集地。

inherit vt.继承

Every person inherits some qualities from his forefathers.每个人都从祖先那里继承了一些品质。

initial adj.最初的，初始的

Woodcutting, the initial form of printmaking, appeared in Europe at the beginning of the 15th century.版田制作的原始形式——木雕——在15世纪初出现在欧洲。

innocent adj.无辜的，清白的；天真的

It was an innocent remark. I didn’t mean to hurt his feelings.这话没有恶意。我并不想伤害他的感情。

insert vt.插入

He inserted the key into the lock to open the door.他把钥匙插进锁里来打幵门。