Against Scorpion spam , Reaper has it's pro's and con's.是什么意思？

Against Scorpion spam , Reaper has it's pro's and con's.

对抗蝎子海, 收割者有自己的优势和不足.

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

scorpion

n. 蝎子；

例句
Razer Tergum is a giant scorpion with strong chela deadly sting.
剃背是只拥有强壮大螯与致命毒刺的巨蝎.

reaper

n. 收割者，收获者，收割机；

例句
McCormick began to make his famous reaper in a grist mill.
麦考密克在磨坊中开始制作著名的收割机.

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。