听不太清,听了一半,两个词:trace, osteoporosis
呵呵~撞枪口上了~ :)
语调和节奏真不错,发音也好,赞一个!
听不太清,听了一半,两个词:trace, osteoporosis
呵呵~撞枪口上了~ :)
语调和节奏真不错,发音也好,赞一个!
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