同根派生 teaching aids相關(guān)詞英漢例句She used slides as a teaching aid. 她用幻燈片作教學(xué)工具。Photographs make useful teaching aids. 照片是有用的教具。The CD-ROM is easy to use directly as a teaching aid in classroom. 在課室直接使用光碟作教材是否容易?Except blackboard and chalk, unbrella is their needed teaching aid. 除了黑板和粉筆,雨傘成為必備的教具。The blackboard is a primitive teaching aid used for centuries. 黑板是一種原始的教學(xué)輔助工具,已經(jīng)被使用了數(shù)百年了。teaching aids更多例句