Addition theorem
[计] 加法定理
🧩 词语组成解析
addition
[ə'diʃən]
n. 加，增加，附加;[数]加法;增加的人或事物;
🗣️ 情景例句
What year are you?
你是哪一级的？
Grocery bills are expensive.
食品价格昂贵。
There is no superior 'they' in the shape of managements and hotel hierarchies to darken his holiday days.
但在露营地里根本不会有管人的人上人"和酒店里的等级制度来使露营者的假日过得阴郁低沉。