Bacteria
noun
さいきん
最近 (さいきん) Recent, Latest, Lately, Recently
細菌 (さいきん) Bacteria
ばい菌 (ばいきん) Germ
細胞 (さいぼう) Cell, Biological Cell
Bacteria 細菌 are a fairly Recent 最近 discovery.
Bacteria 細菌 have been on the rise Recently 最近
The cyborg さい king きん is immune to Bacteria.