视频对话：
No, not Jennifer Keating. Chris Beaudette.
不，不是Jennifer Keating，是Chris Beaudette。
His project concerns extracting energy from earthquakes.
他的研究项目是自地震中汲取出能量。
本期学习词汇：
extract
vt.提取；（费力地）拔出；选取；获得
例句：
1. To extract essential oils from plants.
从植物中提取香精油。
2. Failed to extract gpt information from parent node.
未能从父节点抽取gpt信息。
3. Once it had decided on a cease-fire out of military necessity, it was ready to extract the maximum aid from us.
一旦它出于军事的需要决定停火时，它就准备从我们那里最大限度地榨取援助。