是我们的前辈科学家用他们的智慧和双手摆脱列强，捍卫着祖国的尊严。

Is our senior scientists from their hands, and wisdom, and to defend the motherland's powers.

youdao

是我们的前辈科学家用他们的智慧和双手摆脱列强，捍卫着祖国的尊严。

Is our senior scientists from their hands, and wisdom, and to defend the motherland's powers.

youdao