(of an action or decision) performed by or affecting only one person, group, or country involved in a particular situation, without the agreement of another or the others (行动,决定)一方的;单边的 unilateral nuclear disarmament. 单方面核裁军。
relating to, occurring on, or affecting only one side of an organ or structure, or of the body 单侧的;单面的;单系的