Sign has become a scientific hot button.
手语已经成为了一个科学热门话题。
Race has always been a hot button in this country's history.
种族一直是这个国家历史上争论不休的问题。
Four on the hot bar, one for the left mouse button, and two for the right mouse button.
热键栏可以放4个，鼠标左键可以放一个，右键可以放两个。
He touched on a number of hot button issues in an interview.
他在采访中谈到了许多热点话题。
He touched on a number of hot button issues in an interview.
他在采访中谈到了许多热点话题。
应用推荐