n.主席台，讲坛，指挥台，领奖台

原形：rostrum复数：rostrums

The rostrum is the raised platform where a speaker stands during a lecture or a public address.
这个讲台是演讲者在讲座或公开演讲时站立的地方。
The elephant's trunk, also known as its rostrum, is a highly versatile appendage used for various tasks.
大象的鼻子（也称为上唇）是一个非常多功能的器官，用于执行多种任务。
The podium at the press conference featured a sleek, modern rostrum design.
新闻发布会的讲台采用了流线型现代的讲台设计。
The teacher stood at the front of the classroom, addressing the students from her rostrum.
老师站在教室前面，从她的讲台上对学生讲话。
The ornate rostrum in the cathedral was crafted by skilled artisans many years ago.
大教堂里的华丽讲台是由技艺精湛的工匠多年前制作的。
The debate moderator sat behind a long wooden rostrum, ready to call on speakers.
辩论主持人坐在长长的木制讲台后面，准备叫到发言者。
The auctioneer's rostrum commanded attention with its authoritative presence.
拍卖师的讲台以其权威的存在吸引人们的注意。
The school's auditorium was equipped with a state-of-the-art rostrum for the upcoming talent show.
学校的礼堂为即将举行的才艺表演配备了最先进的讲台。
The museum's guided tour started at the rostrum, where the guide explained the exhibits.
博物馆的导览从讲台开始，导游在那里解释展品。
The conductor gestured with authority from his rostrum, directing the orchestra to play the symphony.
音乐指挥从他的讲台上有力地指挥，引导管弦乐队演奏交响曲。