artificial和man-made有区别伐?

问题描述:

artificial和man-made有区别伐?
如题.如果有区别能不能祥说下

artificial 人造的,虚伪的,武断的
例句与用法:
1. I can't stand his artificial smiles.
我受不了他的假笑.

2. This dress is made of artificial fibers.
这件衣服是人造纤维的.

3. A partial or complete set of artificial teeth for either
the upper or lower jaw.
假牙安在上颚或下颚的人造的部分牙齿或全部牙床

4. I was fitted an artificial tooth by the dentist.
牙医给我镶了颗假牙.

man-made 主要指东西,没有虚伪的意思