听前提示
一、每期提供10个单词，每个单词都会有2-3个例句，方便理解记忆。
二、每个单词和句子都会重复5遍，其中第2遍为慢速，有助于识别。
三、本材料的整体难度较低，可以用来听力磨耳朵和单词查漏补缺。
Day126
1251.
Invention
n.发明，创造，发明物
Television is a great invention.
电视是一项伟大的发明。
He described his new invention to me.
他向我描述了他的新发明。
1252.
Invest
vt.投资，投入（精力、时间等)
They invest a lot of money in advertising.
他们在广告上投入了大量资金。
We need to invest in clean, renewable energy.
我们需要投资清洁的可再生能源。
1253.
Investigate
v.调查，调查研究
They will investigate the cause of the accident.
他们将调查事故原因。
The government appointed a committee to investigate the accident.
政府任命了一个委员会来调查这起事故。
1254.
Investigation
n.调查，审查；科学研究
We will start an investigation immediately.
我们将立即开始调查。
A thorough investigation I snow in progress.
目前正在进行彻底的调查。
A few important facts emerged after the investigation.
调查后出现了一些重要事实。
1255.
Investment
n.投资，投资额
I bought this house as an investment.
我买了这栋房子作为投资。
This new investment will multiply our profit.
这项新投资将使我们的利润倍增。
The best investment you can make is in yourself.
你能做的最好的投资就是你自己。
1256.
Invitation
n.邀请，招待；请柬
Thank you for your invitation.
谢谢你的邀请。
May I see your invitation please?
我能看看你的邀请函吗？
I declined his invitation to dinner.
我拒绝了他共进晚餐的邀请。
1257.
Invite
vt.邀请，招待
How many guests did you invite?
你邀请了多少嘉宾？
Everyone was invited except me.
除了我，每个人都被邀请了。
She was invited to join peace congress.
她被邀请参加和平大会。
1258.
Involve
v.卷入，陷入，连累；包含
I don't want you involved in this.
我不想把你牵扯进来。
My job involves a lot of travelling.
我的工作需要经常出差。
He was indirectly involved in the robbery.
他间接地参与了那次抢劫。
1259.
Iron
n.铁，烙铁，熨斗v.熨（衣），熨平
Can I borrow your iron?
我能借用你的熨斗吗？
I have to iron my shirt.
我得熨我的衬衫。
I iron my clothes every morning.
我每天早上熨烫衣服。
1260．
Irritate
vt.激怒，恼火，使急躁
Don't irritate me.
别激怒我。
He was irritated by her delay.
他对她的拖延感到恼火。
It's his arrogance that really irritates me.
真正激怒我的是他的傲慢。