权威例句
Overhead projectorOverhead projectorOverhead projectorPresentation SlideCholesteric polarizer for liquid crystal display and overhead projectorCholesteric polarizer for liquid crystal display and overhead projectorTeaching English with multimedia overhead projectorResearch on the English Class Model with the Assistance of Multi-media Overhead Projector— An Empirical Study of College English Te...The Lost Art of Oratory: Damn the Overhead ProjectorResearch on College English Fossilization in Multi-media Overhead Projector ClassroomUsing the overhead projector to present patient management problems to groups.Spectroscopy on the Overhead ProjectorPoints: How to use an overhead projector.
