激光手术能否真的去黑？

Laser surgery whether go really black?

youdao

研磨工件需要有精确尺寸及热处理膜、去黑膜、去黑头、倒角、表面精铸造工件磨光之用。

Especial finished parts need precision and have size heat treat film available for film removal, debarring of casting parts.

youdao

要是他们把她从我手中夺走，我也许会心甘情愿地跟你到树林里去，在黑男人的名册上也签上我的名字，而且还要用我的鲜血来签呢！

Had they taken her from me, I would willingly have gone with thee into the forest, and signed my name in the Black Man's book too, and that with mine own blood!

youdao

There wasn't one organizing yet around New Haven or nearby in Connecticut so he went to New York and he joined the Sixth New York Cavalry.

当时在纽黑文和康乃狄格附近还没有军队,遂他去了纽约,他加入了纽约第六骑兵团

耶鲁公开课 - 美国内战与重建课程节选

So what I want to do today is look closely first at the selections from Black Boy that I asked you to read and to look at those as a text and to ask ourselves what kind of story it is.

它们细微的差别,我先读部分《黑孩子》,先前我布置给大家去阅读,并思考几个问题,我发现了什么,故事是什么类型。

耶鲁公开课 - 1945年后的美国小说课程节选