我们首先应大致看一下该理论在历史上的前身。We shall first look briefly at the historical antecedents of this theory.我曾是“级长”乐队前身的主唱。I was the lead singer in the band that became the Prefects.室内网球，现代网球运动的古老前身，起源于11世纪。Real tennis, an ancient pre...

“前身”的拼音为：qián shēn ...

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