Southern Cross uses nature as a teaching tool.
南十字星座利用自然作为教学工具。
Thus for parents who value service, housework is an important teaching tool.
因此对崇尚服务的家长而言，做家务是重要的教育工具。
It's a valuable teaching tool.
这是一个很有价值的教育工具。
The video has become an invaluable teaching tool.
录像已经成为非常有用的教学手段。
The video has become an invaluable teaching tool .
录像已经成为非常有用的教学手段。
Even computer technology can become an important teaching tool.
电脑科技也将是辅助我们教学的重要工具。
There are many superiorities of multimedia in dermatovenerology as a modern teaching tool.
多媒体教学作为一种现代教学方式，在皮肤性病学教学中有明显的优越性。
There are many superiorities of multimedia in dermatovenerology as a modern teaching tool.
多媒体教学作为一种现代教学方式，在皮肤性病学教学中有明显的优越性。
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