练习音标【dr】的发音。
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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。