1.By neutralizing an interfering with the body's 'front line troops',

interfere with 干擾，干涉；妨礙；觸動或弄壞；亂動；

Complete absorption in sports interfered with his studies.
專注于運動妨礙了他的學業(yè),|TzlJWxD9lUfvf~io。

I am not going to be interfered with.
我不想別人干擾我的事情,FS5~737,za2W;j~E)3m。

2.that keeps the immune system from developing a second line of defense.

keep from 隱瞞；阻止；抑制

The heavy rain can't keep me from going out.
大雨阻擋不了我外出m4SvSGBR]Tn。

You should keep from doing anything rash.
你應當避免做魯莽的事v0ru+E)N(h1&[850j。

^KRN;aXM(A4890-p7y_S+ErXmD2CO6_C#]v=RVNv;