1、Who says protecting yourself from sniper attacks or chemical warfare needs to be ugly business?
誰(shuí)說(shuō)，保護(hù)自己免受狙擊手的襲擊或化學(xué)戰(zhàn)需要丑陋的業(yè)務(wù)？

2、The effects of chemical warfare are very terrible, causing great harm.
化學(xué)戰(zhàn)的后果是很可怕的，危害很大。

3、Some people are worried chemical warfare may follow.
一些人擔(dān)心可能后續(xù)的化學(xué)戰(zhàn)。

chemical warfare翻譯