ground form的用法和樣例：
例句
- They are all the basic form to get financial income.
都是取得財政收入的基本形式。 - Parascending is the basic tow form of paragliding ,although the teams now have winches and can tow paragliders as well as ascending canopies.
拖引傘運動(dòng)其實(shí)是滑翔傘運動(dòng)的一種基本形式，盡管運動(dòng)小組現在是利用絞車(chē)來(lái)牽引滑翔者和傘衣上升。
