mandatory

英文造句：

1. The predetermined mandatory order, organization or position of symbols in a computer instruction, data or word, data transmission message, etc. The order is mandatory so that the computer can understand and interpret the information.
   對計算機的指令、數據或字以及數據傳輸所預先確定的且必須遵循的各種符號的次序、結構或位置。次序必須遵循，否則計算機不能理解和解釋信息。
2. It's mandatory to pay taxes.
   繳稅是義務性的。

詞型變化：

英文解釋：

名詞 mandatory:

1. the recipient of a mandate
   同義詞：mandatary
2. a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves
   同義詞：mandate

形容詞 mandatory:

1. required by rule
   同義詞：compulsory, required