视频对话：
...to work at the embassy there.
……在那里的大使馆工作。
He's fluent in Farsi and Arabic.
他精通波斯语和阿拉伯语。
Do we know if there's a way he could get his hands on fissionable material?
他有什么办法能接触到核裂变物质吗？
本期学习词汇：
fluent
adj.流畅的；流利的；液态的
例句：
1. She studied eight foreign languages but is fluent in only six of them...
她学习了8种外语，但是只能流利地说其中 6 种。
2. He had emerged from being a hesitant and unsure candidate into a fluent debater.
他从一个吞吞吐吐、缺乏自信的候选人成长为口若悬河的辩论者。
3. Excellent chinese, fluent verbal and written english.
扎实的中文功底，流利的书面和口头英语表达能力。