英文：Strains in the earth's crest seem to pile up, mail the rock formations break with cracks into new positions, often causing large natural earthquakes.
中文：地壳的应力似乎在积累着。直到岩层产生裂缝移位为止, 这往往全引起大的自然地震。
英文：How you monitor and predict earthquakes, how you've made such strides in researching the cause and treatment of cancer.
英文：As we have seen, the earthquakes in the world are confined to fairly definite zones, and it is only in these regions that severe damage will be done.
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