Three plus six makes nine.

三加六等于九。

youdao

Three plus three makes six.

三加三等于六。

《新英汉大辞典》

One plus two is three. Six minus four is two.

一加二等于三。六减四等于二。

youdao

If the input voltage is plus three, it comes out as minus six.

如果输入的电压是正三伏，那么输出的电压便是负六伏。

youdao

If the input voltage is plus three, it comes out as minus six.

如果输入的电压是正三伏，那么输出的电压便是负六伏。

youdao