Protoyping
n. 原型;样机开发;研究
🗣️ 情景例句
Your photo in it helped, too.
在报纸上的照片也有帮助。
What do you know about the tenth century?
有关十世纪的事你知道些什么？
From the shore line, out to a distance which may be anywhere from a few miles to a few hundred miles,
从海岸线向大海延伸几英里到几百英里的区域是大陆架慢坡，