Variational notation
[计] 变分记号
🧩 词语组成解析
a. 变异的
🗣️ 情景例句
Yes, he's my brother.
是的。他是我哥哥。
What's the suggested retail price?
建议零售价格是多少呢？
I think we're lost! What shall we do?
“我想我们迷路了！我们该怎么办呢？”