I have to buy a new virus killing software.

我得买个新的杀毒软件了。

youdao

Virus-killing Software: Free, Partly Free or Charging?

杀毒软件：免费、部分免费还是收费?。

youdao

Virus-killing Software: Free, Partly Free or Charging?

杀毒软件：免费、部分免费还是收费?。

youdao