今天我们要学的词是 proliferate. Proliferate is spelled P-R-O-L-I-F-E-R-A-T-E, proliferate. Proliferate 的意思是激增，迅速扩散。
Chinese factories with production lines making face masks are demanding full payment before shipping them. With scams proliferating, those are often unacceptable terms to many buyers.
A Texas education watchdog believes that unnecessary and overpaid administrators have been responsible for much of the rising cost of college tuition, as non-teaching personnel proliferated at many schools.
好的，我们今天学习的词是 proliferate, proliferate, proliferate.