珍珠岩 zhēnzhūyán perlite Definitions Defs Origin Strokes Stroke Words Sentences Sents 珍珠岩 zhēnzhūyán perlite A type of acidic volcanic glass that forms pearl-like structures when it cracks; it is commonly used as a building material or for improving agricultural soil. Frequency Written text 0.174 per million Sources Frequency data BCC Corpus (BLCU)
珍珠岩 zhēnzhūyán perlite A type of acidic volcanic glass that forms pearl-like structures when it cracks; it is commonly used as a building material or for improving agricultural soil. Frequency Written text 0.174 per million Sources Frequency data BCC Corpus (BLCU)