Matternet, an American firm, operates a limited network in Switzerland.
美国公司Matternet在瑞士运营一个有限网络。
Matternet
原声例句
经济学人（汇总）
英语百科
Delivery drone
![In December 2013, the DHL parcel service subsidiary of Deutsche Post AG tested a](/Images/godic/202501/26/Package_copter_microdrones_dhl4617.jpg")
4617.jpg")
A delivery drone, also known as a parcelcopter, is an unmanned aerial vehicle (UAV) utilized to transport packages, food or other goods.
- Prototype filter
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