今天早上去上了
I went there this morning
以上为机器翻译结果，长、整句建议使用 人工翻译 。
今天早上去上了难度相当高的DSP原理及应用，我们班现在也就我一个人没有退选了，不过二班和三班还是有很多同学在上。
This morning, I went to have a class about the DSP and application of the principle which was very difficult, my classmates ban it now but I am a person does not withdraw from the election.
youdao
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