Mathematical computation
[计] 数学计算
🧩 词语组成解析
🗣️ 情景例句
That's wrong.
这是错的。
There is no medicine against death.
人间哪有不死（回春）药。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。