man-made wood board

例句：

1. 1. The man-made diamond is morevaluable than a natural one.
   人造钻石比天然钻石更值钱。
2. 2. The company has beenmaking man-made products for over50 years.
   这家公司已经制造人造产品超过50年了。
3. 3. The man-madebridge was built to replace the old woodenone.
   这座人造桥是为了取代旧木桥而建造的。