幽门螺旋杆菌yōu mén luó xuán gǎn jūnyoumenluoxuanganjunHelicobacter pylori (stomach bacterium)Characters in this word幽quiet, secluded, tranquil旋to revolve, to orbit, to return杆cane, pole, stick菌mushroom螺spiral shell, conch门gate, door, entrance, openingStudy it in Yanamino