He jumped back as if he had been stung.

他往后一跳，仿佛被什么东西螫了一下似的。

He jumped back as if he had been stung, and the blood rushed into his wrinkled face.

他往后一跳，仿佛被什么东西螫了一下似的，他那张布满皱纹的脸顿时涨得通红。