A minus symbol '-' means the same as 'not', so if you want to learn about birds but you do not want any information about sparrows, you could type 'bird - sparrow'.
减号“-”与“不”意思一样，所以如果你想要学习鸟类而又不想要有关麻雀的信息，你可以输入“鸟”-“麻雀”。
| 单词 | Minus symbol |
| 释义 |
Minus symbol
原声例句
译林版牛津高中英语（选修7） A minus symbol '-' means the same as 'not', so if you want to learn about birds but you do not want any information about sparrows, you could type 'bird - sparrow'. 减号“-”与“不”意思一样，所以如果你想要学习鸟类而又不想要有关麻雀的信息，你可以输入“鸟”-“麻雀”。
英语百科
Plus and minus signsThe plus and minus signs (+ and −) are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction. Their use has been extended to many other meanings, more or less analogous. Plus and minus are Latin terms meaning "more" and "less", respectively. |
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