The new drug is a potential lifesaver.

这种新药有可能成为一种救命药。

The cervical smear test is a lifesaver.

宫颈涂片检查是健康救星。

You are my lifesaver.

你是我的救命恩人。

Thee new drug is a potential lifesaver.

这种新药有可能成为一种救命药。

Think of this simple technique as a lifesaver.

可以将这个简单的技术看成是一个救生员。