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[煎蛋小学堂:英语百科] 煎蛋小学堂:英语百科(视频+中英字幕) 第127课:树叶脱落前变色的真正原因
落叶树每年落叶是为了降低冬天防冻的消耗,但是如果树木因此失去了它们这一年来为了生枝长叶辛苦从泥土中汲取来的珍贵营养盐,那么季节性脱落就太过浪费2016-04-20 编辑:liekkas
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Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
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2016-04-20 编辑:liekkas