How such extensive damage could have been sustained so quickly remains unexplained.如何这么快就造成这么大的破坏依然不得而知。He died in unexplained circumstances.他死因不明。Soon after leaving Margate, for some unexplained reason, the train was br...
He died in unexplained circumstances.他死因不明。Soon after leaving Margate, for some unexplained reason, the train was brought to a standstill.离开马盖特不久，不知什么原因，火车突然停了下来。Soon after leaving Margate, for some unexplained reason, t...