您要查找的是不是：
- Anomalous tremors before earthquakes 震前扰动
- tremors before earthquakes 震前扰动
- She faced danger without a tremor before enemy rs guns. 面对敌人的枪口，她临危不惧。
- She faced danger without a tremor before enemy's guns. 面对敌人的枪口，她临危不惧。
- Dogs, for example, are alleged to whine or bark nervously just before earthquakes strike. 例如，据说狗在地震即将发生时，发出哀鸣或紧张不安地吠叫。
- According to popular folklore, many animals are smarter than they appear.Dogs bark before earthquakes;cattle predict rainfall by sitting on the ground. 根据流传的民间故事，许多动物都比它们看起来还聪明：狗会在地震之前叫，牛群坐在地上时就表示要下雨。
- According to testes by many earthquakes, the obvious anomalies of the subsurface fluids, such as water level, radon and mercury are observed before earthquakes. 经过多次地震检验，该井水位、氡、汞等地下流体震前异常反应明显。
- Suddenly the carpeted floor swayed violently. The overhead lights went out and the hall was enveloped in blackness."Earthquake!" shouted Arnel. "Stay where you are." He had experienced tremors before. 突然，铺着地毯的地板猛烈地晃动起来，头顶上的灯灭了，整个大厅笼罩在一片黑暗之中。“地震！”阿恩尔叫道。“站在原地别动。”他以前经历过地面微震。
- Animals are also affected particularly before earthquakes snakes have been observed to come out of hibernation rats to flee from their burrows dogs howl and cats jump about unaccountably. 尤其是地震前，动物也受到了影响。蛇结束冬眠，老鼠逃离洞穴，狗狂吠和猫乱跳。
- The picture shows a landslide before earthquake contributed by a web user. 下面的图是地震前网友拍到的一次山体滑坡。
- abnormal information before earthquakes 震前电磁波异常信息
- There was a tremor in her voice. 她的声音有点颤抖。
- We all felt the earthquake tremors. 我们都感觉到地震时的颤动。
- As a matter of fact, I've never been there before. 事实上我从未到过那儿。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- A series of tremors often precedes an earthquake. 地震前常发生一连串的微震。
- Seismic strengthening existing buildings before earthquake is one of effective ways to mitigate earthquake disaster. 震前对现有建筑的抗震加固，是减轻地震灾害行之有效的方法之一。
- The vectorgraph drawn by using the minute values of the tiltal data is quite regular and has some anomalies before earthquake. 用该台的地倾斜资料的分钟值描绘矢量图，发现每日的矢量图规律性强，并且在地震前有一定的异常表现。
- We have farther discussed short term and imminent abnormality for borehole volume strain observation data before earthquake. 本文仅就部分钻孔体应变资料的地震短临异常作一初步讨论。
- In this paper, we summarized the work of earthquake prevention and disaster relief in Pingtan county in the present years and asked for doing the preparative work before earthquakes well. 本文总结了近几年来平潭县地震办的工作,阐述该办防震减灾的工作思路,要求做好震前准备工作,并把工作做好、做实。
