VOA慢速英语:Are Fast Radio Bursts Evidence of Unknown Life?

1. describe vt.叙述; 描写，形容; 描绘
例句：We asked her to describe what kind of things she did in her spare time
我们请她描述一下她业余时间都在做什么。

2. observe vt.观察; 研究
例句：Stern also studies and observes the behaviour of babies
斯特恩还研究观察婴儿的行为。

3. broadcast vt.广播; 播放; 使广为人知
例句：The concert was broadcast by relay.
这场音乐会是实况转播的。

4. identify vt.确定; 识别，认出
例句：There are a number of distinguishing characteristics by which you can identify a Hollywood epic
好莱坞的史诗大片有着一些与众不同的特点。

5. discover vt.发现; 碰见; 撞见
例句：She discovered that they'd escaped
她发现他们已经逃跑了。

6. detect vt.查明，发现; 洞察
例句：Attempts have failed to detect allantoicase.
试图检测尿囊素酶没有成功。