Four plus five is nine.四加五等于九.我把plus换成add行吗?
问题描述：
Four plus five is nine.
四加五等于九.
我把plus换成add行吗?
答
可以，
add 4 to 5 is equals to 9
答
Four added to five is nine.
答
plus是介词,如果换成add(动词),句型需要变换：adding up 4 and 5 equals 9. 或者： adding 4 to 5 is 9.