1. 立方的 Cubic is used in front of units of length to form units of volume such as 'cubic metre' and 'cubic foot'.
e.g. ...3 billion cubic metres of soil. 30亿土方
名词【数】三次曲线；三次方程式；三次多项式；三次函数形容词立方的；用立方单位度量（或表示）的；立方形的网络立方体的；三次的；立方晶
