Susan is already crying. Why do you still want to rub salt into the wound?

苏珊已经在哭了。你为什么还要在她伤口上洒盐呢？

When the bee stings, an acid juice flows down the sting into the wound, and causes a smarting pain.

当蜜蜂叮咬敌人之后, 一种酸液就会沿着叮咬的地方进入伤口之中, 从而造成剧烈的疼痛。

The hand was missing its middle finger, and blood flowed from the wound into the water.

那只手少了中指，鲜血从伤口流到水里。

So, why then does the White House rub salt into the wound on this issue? Why make it so hard for Democrats especially?

那么，白宫为何要在这个问题上往伤口上撒盐呢？为什么让民主党人如此艰难？

A two-micron Haemostasis nanobot contains a biodegradable fiber mesh thinner than a single nanometer which is released into the wound after receiving a command from the control computer.

一个两微米的止血纳米机器人包含一个比单个纳米更薄的可生物降解纤维网，在接收到控制计算机的命令后释放到伤口中。