这个句子中的stem是什么意思?The Los Angeles charges stem from an investigation after the FDA confiscated some 70,000 tubes of adulterated toothpaste delivered to the Port of Long Beach in May,Baik said.

问题描述:

这个句子中的stem是什么意思?
The Los Angeles charges stem from an investigation after the FDA confiscated some 70,000 tubes of adulterated toothpaste delivered to the Port of Long Beach in May,Baik said.