Many veins are found just under the skin.

许多静脉就在皮肤下面。

Under the skin, a ballerina might have the heart of a boxer.

在外表之下，一名芭蕾舞女演员可能有一颗拳击手的心。

See the [haciendas] under the skin?

看到皮肤下面吗？

The doctor has injected him under the skin.

医生已给他打了皮下针。

I still had the hot and cold running under the skin.

我依然可以感受到在皮肤下有热的或冷的东西在移动。