2.Learners’ Dictionary
#2 Vocabulary 1. debut the first public appearance of an entertainer, sports player etc or of something new and importan Their debut album was recorded in 1991. 2.upgrade to make a computer, machine, or piece of software better and able to do more things You’ll need to upgrade your hard drive to 120Mb before running this software. 3.manufacturers to use machines to make goods or materials, usually in large numbers or amounts If he could see the bricks in their piles on the site, he would know that they had actually been manufactured. 4.attempt an act of trying to do something, especially something difficult All attempts to control inflation have failed. 5.convince to make someone feel certain that something is true Her arguments didn’t convince everyone, but changes were made. Article: Apple needed a kick in the pants. Samsung just delivered it