a piece of clothing that fits the top half of the body tightly, made of special material and worn on its own or under a wetsuit for activities such as surfing, to prevent the skin from being rubbed and to protect against the sun

Rash guards protect the skin from being rubbed raw by the sand and salt. 紧身防磨衣可以保护皮肤不被沙子和盐分磨破。

Wear the rash vest under a wetsuit to give added comfort and protection against irritation. 将紧身防磨衣穿在潜水衣里面，可以增加舒适度，保护皮肤不受刺激。