科学美国人60秒 SSS Old New England Underground May Be Spry after All_在线英语听力室

(单词翻译:双击或拖选)

The U.S. Northeast may be more geologically active than was previously¹ thought, according to a seismic² sensor³ network.

Full Transcript

Hi, I’m Scientific American podcast editor Steve Mirsky. And here’s a short piece from the April issue of the magazine, in the section we call Advances: Dispatches from the Frontiers of Science, Technology and Medicine:

Hot Rocks by Shannon Hall

点击

收听单词发音

1 previously
adv.以前，先前（地）
参考例句：
The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。 Let me digress for a moment and explain what had happened previously.让我岔开一会儿，解释原先发生了什么。

2 seismic
a.地震的，地震强度的
参考例句：
Earthquakes produce two types of seismic waves.地震产生两种地震波。 The latest seismic activity was also felt in northern Kenya.肯尼亚北部也感觉到了最近的地震活动。

3 sensor
n.传感器，探测设备，感觉器（官）
参考例句：
The temperature sensor is enclosed in a protective well.温度传感器密封在保护套管中。 He plugged the sensor into a outlet.他把传感器插进电源插座。

在线英语听力室_免费在线英语听力学习网站

科学美国人60秒 SSS Old New England Underground May Be Spry after All