After spending the summer surveying trees, the researchers discovered that big leaf maple trees generated a steady voltage of up to a few hundred millivolts.
在夏季测量完树木后，研究人员发现，大叶槭树产生的稳定电压高达几百毫伏。
Now I feel honored to join the Maple Leaf School - the big family!
现在我很荣幸的加入枫叶学校这个大家庭。
In Maple Leaf family, all the teachers know my name, even the security guards, and then I merge into the big and warm family.
在枫叶这个大家庭里，每个老师都能叫出我的名字，就连保安爷爷也会逗我玩。
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