英语翻译

问题描述:

英语翻译
had increases their reaction and sensitivity to these "invaders".
that right off bacteria and viruses 什麽用法?that ,right ,off 分别都怎麽解释?

right作动词,意思是纠正
off副词,去除,挪开
that作定语从句开头
整句话意思是清理细菌和病毒的白细胞增加了他们对这些入侵者的反应和敏感度.
“had increases”?