Basis of calcuation
[经] 计算标准
🧩 词语组成解析
basis
['besɪs]
n. 基础;主要成分;基准，基本原则;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
The speaker kept wandering off.
演讲的那个人老是走题。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）