今日长难句：

选自《科学美国人》

The researchers looked at the travel times of these sound waves for 2,000 pairs of earthquakes that occurred in the East Indian Ocean between 2005 and 2016.

研究人员观察了2005年至2016年间发生在东印度洋的2000对地震的声波传播时间。

第一步 简单划分句子成分，进行初步断句

The researchers/ looked at/ the travel times of these sound waves /for 2,000 pairs of earthquakes/ that occurred in the East Indian Ocean /between 2005 and 2016.

第二步 抓主语以及动词，确定代词指代的内容

The researchers/ looked at/ the travel times of these sound waves /for 2,000 pairs of earthquakes/ that occurred in the East Indian Ocean /between 2005 and 2016.

The researchers looked at sth研究员们观察...

Earthquakes occurred 地震发生

第三步在看介词短语，由短到长的顺序看，将这些细节补充合理排序，得到句子完整清晰的整体

between 2005 and 2016（时间）

in the East Indian Ocean （地点）

研究对象：the travel times of these sound waves for 2,000 pairs of earthquakes两千对地震的声波的传播时间

核心要点：

1. occur v. 发生

Sometimes, an earthquake can happen in seconds.

2. research n.研究

The research shows that the average life span has a lot to do with sleeping quality and daily diet.

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