以上来源于: WordNet
N-COUNT An overhead projector is a machine that has a light inside it and makes the writing or pictures on a sheet of plastic appear on a screen or wall. The abbreviation is also used. 高射投影仪
You only have to think of chalk boards or overhead projectors to appreciate that.
你只需要粉笔板或投影仪认为要对此表示赞赏。
The school offers facilities such as computers, overhead projectors, work places etc. In order to make your studies easier.
学校提供的设施例如电脑，投影机，自习室等，使大家能更容易的投入学习。
Large screen displays, projectors, overhead projectors, LCD projectors, DVD players, tape recorders, video camcorders are ready for your renting by hour or by day.
大屏幕显示区、投影仪、幻灯机、液晶投影机、DVD机、录音机、录像机等可按小时或按天计算供您使用。
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