mandatory
英 ['m?nd?t(?)r?]
美['m?nd?t?ri]
- adj. 強制的；托管的；命令的
- n. 受托者（等于mandatary）
英英釋意
- 1. the recipient of a mandate
- 2. a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they ar able to stand by themselves