In the beginning, the team sprayed crops for free to promote the technology.
一开始,团队免费喷洒作物以推广这项技术。
CNN 10 学生英语综合听力 2016年5月合集
DJI has developed a model that can accurate spray crops in difficult to reach areas.
DJI 开发了一种模型,可以在难以到达的区域精确喷洒农作物。
Essential English Word
The farmer sprayed his crops with the pesticide to keep bugs away.
农夫给庄稼喷杀虫剂以驱虫。
经济学人-科技
Dyson first used this technique to treat wheat, and is now spraying other crops including oilseed rape (known as canola in America), maize and potatoes.