
adj.有兩形的
The paint is sold in powdered form. 該油漆以粉制品形式出售。
The planes formed up over the airfield. 飛機在機場上空排成隊列。
Most synthetic detergents are in the form of powder or liquid. 大多數(shù)合成洗滌劑呈粉狀或液態(tài)。
The ginpole is the simplest form of derrick. 起重吊桿是一種最簡單的起重機。