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来源:雅诚德英语网
Sometimes, however, a stream of electrons following an established channel is met by a positive stream making a new path up from the ground.
然而,有时,沿着已建立的通道的电子流会遇到正的电子流,正的电子流从地面开始形成新的路径。
Sometimes, however, a stream of electrons following an established channel is met by a positive stream making a new path up from the ground.
然而,有时,沿着已建立的通道的电子流会遇到正的电子流,正的电子流从地面开始形成新的路径。