机器人最常用的两种关节是移动关节和 ____关节。
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Translating following sentences.他特别喜爱科幻小说。(in particular)
用户可通过多种途径查询信息。(sort through)
Then my eyes teared up as I noticed the baby outfit beside the sink where it had been left to dry after spots had been scrubbed out of it.
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