A: I need to interact with some new people.
B: Good , but how are you going to meet them?
interact vi. 相互作用，相互影响
A: I think our post has been intercepted.
B: Why, were the letters open when they arrived?
intercept vt. 拦截，截住，截击
A: The conference facilitated intercourse with many groups of people.
B: I hope that you had some interesting and productive conversations.
intercourse n. 1. 性交；2. 交流，交往，交际
A: What do you study in college?
B: The interface between humans and computers
interface n. 1. 接口；2. 界面，交接处
A: We have to submit an interim report by the end of the month.
B: And when will the official one have to be completed?
interim a. 暂时的，临时的
in the interim 在其间
A: May I offer an interjection into the argument?
B: No, the debate must continue without disruption.
interjection n. 1. 感叹词；2. （突然的）插入
A: How was the weather on your holiday?
B: Apart form the intermittent rain, it was fine.
intermittent a. 间歇的，断断续续的
A: Turn left at the next intersection.
B: I thought we have to turn right.
intersection n. 1. 横断，交叉；2. 道路交叉口，交点
A: My parents are always arguing.
B: Is there anything you can do to intervene?
intervene vi. 1. 干涉，干预；2. 干扰，阻挠
A: I am planning an intervention into the affairs of my neighbours.
B: Why are you so interested in what they are doing ?
intervention n. 介入，干涉，干预
A: Jane is always so outspoken.
B: But don’t be intimidated by her.
intimidate vt. 恐吓，威胁
A: He was completely intoxicated after coming home from the pub last night.
B: Yes, I knew he had a lot to drink.
intoxicate vt. 1. 使喝醉；2. 使陶醉，使欣喜若狂
A: The details in the painting are exceptionally intricate.
B: Yes, it must have taken a long time to complete.
intricate a. 错综复杂的，复杂精细的
A: Did you enjoy the novel I lent you?
B: It was excellent, the plot was full of intrigue and mystery.
intrigue vt. 激起……的好奇心（或兴趣），迷住
A: I found a piece of evidence that is intrinsic to our case.
B: Gosh, why did we not realize it sooner?
intrinsic a. 固有的，本质的，内在的
A: I don’t mean to intrude, but can I join your conversation?
B: Don’t worry, you are not interrupting anything private.
intrude vi. 侵入，侵扰，打扰