1. decision决定

Specilist advice is available to help you choose the most suitable breed of dog, but in part, the decision depends on common sense.

2. decline下降 减少 衰退 谢绝 拒绝

The major for the decline of Asian elephants is the loss of their forests.

3. decorate 装饰 装潢 修饰

It is better to reside in a bad part of town, I think, than not to live the house at

all, or buy an old house, and redesign it, then decorate it with old style furniture.

4. decrease 减少
(减少)量

Schools that show a decrease in deliberate destruction of property can receive the amount of money, that would be spent on repairs and replacements.

5. definite 明确的 确切的 一定的 肯定的

I am sorry, madam, the plane is somewhat behind the schedule, take a seat, I

will inform you as soon as we know something definite.

Thank you, I’d rather look around, and I will be back in several minutes.