translation.en: Here, this cloaked, secret agent virus is slipping his DNA into the bacterial cell, but here's the kicker: It doesn't do anything harmful -- not at first.
translation.zh: 这名潜行的特工不动声色地将其DNA送入细菌细胞， 但秘诀在于：它不会伤害细菌——至少现在不会。