Hydrocephalus is a common condition in human children and easily treated by draining the excess fluid down to the abdomen using a tube.

脑积水是人类儿童的一种常见疾病，很容易通过用管子将多余的液体排出腹部来治疗。

If there's a severe pericardial effusion, a pericardiocentesis can be done by inserting a needle into the pericardial cavity and draining the excess fluid.

严重心包积液可行心包穿刺，即借助穿刺针刺入心包腔，吸除多余积液。