试题题干
Translate the following sentence into Chinese.
We're focusing on observing and understanding earthquakes in space and time and on developing methods that use patterns of small earthquakes to forecast larger ones.
参考答案
试题解析
考点：focus on 致力于；patterns of small earthquake小地震模式；forecast预测。
句子结构：句子主干为We're focusing，有两个方面，on observing and understanding earthquakes和on developing methods，that引导定语从句修饰methods。