we were thinking of bringing some alternative energy recovery systems and technology from China.
题目
we were thinking of bringing some alternative energy recovery systems and technology from China.
不要有道和金山
答案
当时,我们正考虑从中国引进一些再生能源替代体系和技术.(这样就把时态翻译出来了)
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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