黑色素瘤是最具侵蚀性的皮肤癌。

Melanomas are the most aggressive skin cancers.

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关于防晒霜是否能有效减少黑色素瘤，争议仍然存在——相较于预防其他皮肤癌，防晒霜能减少黑色素瘤的证据还不充分。

There is continuing debate as to how effective sunscreen is in reducing melanomas—the evidence is weaker than it is for preventing other types of skin cancer.

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黑色素瘤是最危险的一种皮肤癌，它是由于阳光暴晒所造成的。

Melanoma is the most dangerous type of skin cancer and is related to sunlight exposure.

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