Doran
多兰系统, 多普勒测距系统
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
A bird is known by its note,and a man by his talk.
鸟以声闻，人以言知。
I don't like the model.
我不喜欢这种型号。