addition sign
US /əˈdɪʃ.ən saɪn/
UK /əˈdɪʃ.ən saɪn/
名词
加号, 加法符号
the symbol '+' used to indicate the operation of addition or a positive value
示例:
•
Please use the addition sign when you want to sum up numbers.
当您想计算数字总和时，请使用加号。
•
The teacher drew an addition sign on the board.
老师在黑板上画了一个加号。