Mathematical notation
[计] 数学标记, 数学符号
🧩 词语组成解析
🗣️ 情景例句
Where's the bag with the chicken salad sandwiches?
放鸡肉沙拉三明治的袋子在哪？
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。