它有5 種用法: 1. 《不可數名詞》 energy used to do something I've put a lot of effort into studying English. Speaking English fluently will ... ... <看更多>
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它有5 種用法: 1. 《不可數名詞》 energy used to do something I've put a lot of effort into studying English. Speaking English fluently will ... ... <看更多>