Although seismologist Xiaodong Song acknowledged the mystery is really a complicated problem,he and fellow seismologist Paul Richards have managed to unravel it.
Although seismologist Xiaodong Song acknowledged the mystery is really a complicated problem,he and fellow seismologist Paul Richards have managed to unravel it.
尽管地震学家孙晓东承认这种神秘性是真正复杂难解的问题,他和他的地震学家朋友保罗理查德已经想过如何解开这个迷团。