Steve jobs offered two tent-pole demos last week when he introduced the ipad 2 .

日前，史蒂夫•乔布斯在介绍iPad2时，向大家展示了两段重量级演示。

So we went to barts and he introduced us .

然后他带我去圣巴塞洛缪医院介绍我们认识。

Business schools have introduced a few new courses .

商学院们引进了一些新课程。

I could not , and he never introduced the bill .

我不能，而他也不会提出这样的议案。

I introduced holmes to her .

我把福尔摩斯介绍给了她。