1
- spiral; in a spiral表示“螺旋（形的）”：
spirochaete.
2
- Chemistry denoting a molecule with two rings with one atom common to both【化】表示“螺线”：
spironolactone.
词源
from Latin spira, Greek speira 'a coil'.
- relating to breathing表示“呼吸的”：
spirometer.
词源
formed irregularly from Latin spirare 'breathe'.