VOA慢速英语:美国专利商标局已经批准1000万个专利项目

achieve - v. to get or reach (something) by working hard

detect - v. to discover or notice the presence of something

ingredient - n. one of the things that are used to make a food, product, etc.

promote - v. to change the rank or position of (someone) to a higher or more important one

range - v. to include everything between specified limits

relevant - adj. relating to a subject in an appropriate way

opportunity - n. an amount of time or a situation in which something can be done

innovation - n. a new idea, device, or method

eventually - adv. at some later time