颗粒物
particulate matter (PM)
Traditional: 顆粒物
✍️ Practice Writing the Full Phrase
📖 Additional Information
Detailed Definition:
n an examination and dissection of a dead body to determine cause of death or the changes produced by disease\nn a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium\nn the person who holds the position of head of the government in the United Kingdom\nn modulation of the phase of the carrier wave