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来源:雅诚德英语网
Old batteries can't be discarded casually even when they are no longer useful, because they'll pollute the environment.
旧电池即使没用了也不能随意丢弃,因为它们会污染环境。
Old batteries can't be discarded casually even when they are no longer useful, because they'll pollute the environment.
旧电池即使没用了也不能随意丢弃,因为它们会污染环境。