視頻對話：
...to work at the embassy there.
……在那里的大使館工作。
He's fluent in Farsi and Arabic.
他精通波斯語和阿拉伯語。
Do we know if there's a way he could get his hands on fissionable material?
他有什么辦法能接觸到核裂變物質嗎？
本期學習詞匯：
fluent
adj.流暢的；流利的；液態的
例句：
1. She studied eight foreign languages but is fluent in only six of them...
她學習了8種外語，但是只能流利地說其中 6 種。
2. He had emerged from being a hesitant and unsure candidate into a fluent debater.
他從一個吞吞吐吐、缺乏自信的候選人成長為口若懸河的辯論者。
3. Excellent chinese, fluent verbal and written english.
扎實的中文功底，流利的書面和口頭英語表達能力。