These words all describe things that are not real, or not naturally produced or grown. 以上各词均指假的、非天然的、人造的。

• artificial made or produced to copy sth natural; not real 指人工的、人造的、假的：◆artificial flowers 假花◆artificial light 人造光
• synthetic made by combining chemical substances rather than being produced naturally by plants or animals 指人工合成的：◆synthetic drugs 合成药物◆shoes with synthetic soles 合成鞋底的鞋
• false not natural 指非天然的、非天生的、假的：◆false teeth 假牙◆a false beard 假胡子
• man-made made by people; not natural 指人造的、非天然的：◆man-made fibres such as nylon 尼龙之类的人造纤维
• fake made to look like sth else; not real 指伪造的、冒充的、假的：◆a fake-fur jacket 一件人造毛皮的短上衣
• imitation [only before noun] made to look like sth else; not real 指仿制的、人造的、假的：◆She would never wear imitation pearls. 她绝不会戴假珍珠。

Patterns

• artificial/synthetic/man-made fabrics/fibres/materials/products
• artificial/synthetic/fake/imitation fur/leather
• artificial/synthetic/false/fake/imitation diamonds/pearls