I is for the invasive species like the fire ants, the zebra mussels, broom grasses and pathogenic bacteria and viruses that are flooding every country, and at an exponential rate -- that's the I.
I是代表入侵物种，包括红火蚁、 斑马贻贝等 以及那些正在以惊人速度在各个国家蔓延的病毒和致病菌