The two countries have each expelled another diplomat following a round of tit-for-tat expulsions.
在一轮针锋相对的驱逐事件之后,两国各又驱逐了一名外交官。
《柯林斯高阶英汉双解学习词典》
The Russian response to the expulsions — expected on July 17 th — may yet escalate matters.
俄方在7月17日对外官驱逐出境的表态可能会使事件升级.
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