They evoke no ardor in the male breast.

它激不起男人胸中的热情。

In males, breast cancer is usually caused by inherited mutations in the BRCA-1 and 2 genes.

男性乳腺癌通常是因为遗传了突变的BRCA-1和2基因。

In males, breast tissue is very thin, which makes it easier for the cancer to spread to underlying tissues.

男性的乳房组织很薄，因此男性乳腺癌更易侵袭深层组织。