这个问题源于沟通不畅。

The issue ___stems from poor communication.

医生用绷带包扎伤口以止血。

The doctor used a bandage to ___stem the blood flow from the wound.

她在做沙拉前花了些时间去掉草莓的蒂。

She spent some time ___stemming the strawberries before making the salad.

在单词'runner'中，'run'是词根，后缀'er'被添加在上面。

In the word 'runner', 'run' is the ___stem to which the suffix 'er' is attached.