细颗粒物

xì kē lì wù

定義

1. fine particle (PM 2.5)
2. fine particulate matter (air pollution etc)

细颗粒物 の構成語

• 粒 lì: grain
• 细 xì: thin or slender
• 颗 kē: classifier for small spheres, pearls, corn grains, teeth, hearts, satellites etc
• 颗粒 kē lì: kernel
• 物 wù: thing
• 颗粒物 kē lì wù: particulate matter (PM)