练习音标【dr】的发音。

The driver was drunk and drove the doctor’s car directly into the deep ditch.

这个司机喝醉了，他把医生的车开进了一个大深沟里。

How much dew would a dewdrop drop if a dewdrop could drop dew?

如果一颗露珠会掉下露水，那么一颗露珠会掉下多少露水呢?

Do drop in at the Dewdrop Inn.

到露珠旅馆要进内一坐。