adj.四边形的,有四人参加的;
例句:
For it is the nature of a log or stone to remain motionless on level ground, and to move when on a slope; if four-cornered, to come to a standstill, but if round-shaped, to go rolling down.
木石的性情是处于平坦地势上就静止不动,处于陡峭的斜坡上就滚动,方形容易静止,圆形容易滚动。
Duplex four-cornered steam-driven reciprocating compressor
双列四缸对置式蒸汽驱动往复压缩机
A four-cornered sail hoisted from a yard that is oblique to the mast.
从院子里升起来的相对于桅杆是倾斜的四角的帆。