port wine stain
US /ˌpɔːrt waɪn ˈsteɪn/
UK /ˌpɔːrt waɪn ˈsteɪn/
1.
ポートワイン母斑, 単純性血管腫
a birthmark in which a large area of the skin is a reddish-purple color, caused by a vascular anomaly (capillary malformation)
:
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The child had a prominent port-wine stain on her cheek.
その子供の頬には目立つポートワイン母斑があった。
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Laser treatment can help lighten a port-wine stain.
レーザー治療はポートワイン母斑を薄くするのに役立つ。