This is my friend, long-time colleague, music librarian extraordinaire and professional French horn player, Eva Heater, who will demonstrate here-- Come on over here right in the center.

这位是我的朋友,长期共事的同事,音乐图书管理员,了不起的专业法国圆号手,伊娃·夕瑟,她将在此演奏,过来,站到中间来

耶鲁公开课 - 聆听音乐课程节选

Also, people who come in early maybe should try to sit in the middle part of the classroom, so the latecomers can come in without too much disruption.

还有,来得早的人最好尽量,坐在教室中间的座位,这样就不必站起来给迟到的人让路

耶鲁公开课 - 基础物理课程节选