microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:16
microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:16
microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:16細菌
microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:08
microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:07
microscopic view of paramecium (ciliate protozoan) moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:20
microscopic view of paramecium, a ciliate protozoan, moving in water containing bacteria or decaying organic matter - 真核細胞 個影片檔及 b 捲影像00:07細菌
map of europe with the nazi territory outlined by an animated fence, close-up on italy / montage of cassino from a distance, exploding bombs in... - 真核細胞 個影片檔及 b 捲影像00:50