crossfire是什么意思

例句：

The doctor was killed in crossfire as he went to help the wounded.

那位医生去救助伤员时在交叉火力中丧生。

Three innocent bystanders were killed in the crossfire.

三个无辜的'旁观者在交叉火力中丧生。

They say they are caught in the crossfire between the education establishment and the government.

他们说他们被卷入了教育机构和政府之间的争端。