n. the first event in a series
n. a hand tool used for opening sealed containers (bottles or cans)
n. 开...的人, 开局人, 开创人, 开具, 开启工具, 首项
[经] 申请开证人
1. She used a bottle opener to open the drink.
她用开瓶器打开了饮料。
2. The meeting began with an interesting opener from the speaker.
会议以演讲者的一段有趣开场白开始。
3. He bought a new can opener because the old one was broken.
他买了一个新的开罐器，因为旧的坏了。