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

interfere with 干扰，干涉；妨碍；触动或弄坏；乱动；

Complete absorption in sports interfered with his studies.
专注于运动妨碍了他的学业,|TzlJWxD9lUfvf~io。

I am not going to be interfered with.
我不想别人干扰我的事情,FS5~737,za2W;j~E)3m。

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

keep from 隐瞒；阻止；抑制

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

You should keep from doing anything rash.
你应当避免做鲁莽的事v0ru+E)N(h1&[850j。

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