overhead projector

例句 (10)

• The teacher used an overhead projector to display the notes.老师用幻灯机来展示笔记。
• Please set up the overhead projector before the meeting starts.请在会议开始前设置好幻灯机。
• Many older classrooms are still equipped with overhead projectors.许多老旧的教室仍然配备有幻灯机。
• She carefully placed the transparency on the overhead projector for everyone to see.她小心翼翼地把透明胶片放在幻灯机上，让大家都能看到。
• Before digital technology, the overhead projector was a common teaching tool.在数字技术出现之前，幻灯机是一种常见的教学工具。
• Remember to switch off the overhead projector when you're done.用完后记得关闭幻灯机。
• The bulb in the overhead projector needs to be replaced soon.幻灯机里的灯泡很快就需要更换了。
• He gave his presentation using only an overhead projector and transparencies.他只用了一台幻灯机和透明胶片完成了演示。
• Operating an overhead projector was once a standard skill for educators.操作幻灯机曾是教育工作者的基本技能之一。
• The hum of the overhead projector was a familiar sound in college lectures.幻灯机的嗡嗡声在大学讲座中是一种熟悉的声音。