2016年职称英语卫生类备考词汇：不可数名词

a cup of tea 一杯茶

a piece of meat一片肉

a little water一点水

great influence 很大的影响

例句：

1.Also,when attacking seals,great whites shoot up to the surface and bite with great force.

当大白鲨攻击海狮时，会冲出水面，用力咬。

2.That is why you should not give personal information to anyone online unless you're totally sure of who that person is.

那就是为什么你不能把个人信息给别人，除非你知道他们是谁。

3.It only takes a little effort,and you'll find life more rewarding as a result.

只要一点努力，你就能得到回报。