Frequently, our teachers suggested ways to find the answers by searching the reference books that were available in libraries or by actual experimentation.
老师还经常教我们通过到图书馆查阅参考书或做实验的方法寻求答案。
Frequently, our teachers suggested ways to find the answers by searching the reference books that were available in libraries or by actual experimentation.
老师还经常教我们通过到图书馆查阅参考书或做实验的方法寻求答案。
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