One of those experts is Dr. David Hamer.

其中一位卫生专家是大卫·哈默尔博士。

One of those experts is Dr. David Hamer. He is an infectious disease expert at Boston University.

其中一位专家是大卫·哈默（David Hamer）博士。他是波士顿大学的传染病专家。

Wearing just one mask should be enough for most situations, Hamer told The Associated Press.

哈默告诉美联社，在大多数情况下，戴一个口罩就足够了。

Former National Institutes of Health geneticist Dean Hamer said the study confirms that sexuality is complex and there are a lot of genes involved.

美国国立卫生研究院前遗传学家迪恩·哈默(Dean Hamer)表示，这项研究证实，" 性是复杂的，涉及到很多基因。"

And even when civil rights leaders like King and Fannie Lou Hamer used the language of love, the racism they fought, that was segregation and brutality.

即使像 King 和 Fannie Lou Hamer 这样的民权领袖使用爱的语言，他们反对的种族主义也是种族隔离和残暴。