The conchologist spent years traveling to different beaches to collect various seashells for his collection. 解释一:那个贝壳学家花了几年时间去不同的海滩收集各种贝壳,用于他的收藏。解释二:这个贝壳学家花了几年时间不断在不同的海滩旅行,收集各种贝壳,为了自己的贝壳收藏。
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