【医】 Spirulina
helix; screw; spiral; spire; volution
【化】 helix
【医】 coil; coiling; helico-; screw; spiral; spiro-; tirefond
alga; algae; literary embellishment
【机】 alga; algae
belong to; category; dependents; genus; subordinate to
【医】 genera; genus; group; herd