正文

VOA慢速英语:App Feels Earthquakes Through Mobile Phones

2016-02-18来源:VOA

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词汇讲解：

1. alert vt.向…报警
例句：Her face was alert and lively, with a sharp chin and shrewd little eyes.
她的面孔显得机警而生气勃勃，下巴尖尖的，眼睛小而机灵。

2. prepare vt.准备; 预备（饭菜）配备; 使（自己）有准备
例句：They prepare plans for building.
他们为建筑工程而制作计划。

3. measure vt.测量; 估量
例句：In order to measure seasonal variation we typically use the ratio-to-moving average method.
为了度量季节变动，我们通常使用移动平均比率法。

4. recognize vt.承认; 识别; 认出
例句：Shape is the primary way we recognize what an object is.
形状是我们辨识物体的最主要方式。

5. reduce vt.减少; 缩小
例句：We must reduce the production cost.
我们必须降低生产成本。