There is no such symbol in Word, so you need to install a professional mathematical formula plug-in MathType to type this symbol and add text to it.

1, Baidu "MathType", enter MathType official website:

2. Click "Download" and select the Windows version:

3. Download and install MathType, a mathematical formula plug-in, and select "Try MathType for 30 days":

4. Open MathType, select the button with double arrow icon, and then select the button with double arrow up and down to enter the text icon:

5. Click the up and down arrows on the double arrow to enter text. If there is no equation conversion condition, you can leave it blank:

6. Select the symbol, right-click the symbol, and select Copy:

7. Open Word and paste the copied symbol to the location where you want to put it. At this time, the reversible symbols of chemical equations and the above words are added to Word: