underground and overground view of beans growing from sprouts, shot against a black background. - 根 個影片檔及 b 捲影像00:15黑色
safety: playground spirits - part 12 of 12. three "spirits" teach children the rules of playground safety in this delightful fantasy film. a rowdy group of young footballers invades a safe play area, turning it into chaos. they push, shove, lean off the m - 根 個影片檔及 b 捲影像00:35美式足球 - 團體運動
explaining matter: chemical change - part 2 of 18. illustrates that a chemical change takes place when atoms from the molecules of two or more materials join to form molecules of entirely different materials. examples of changes include burning, digestion - 根 個影片檔及 b 捲影像00:36
tree trunk environmentally protected rainforests to increase the green space of the world, reduce global warming, carbon neutrality - 根 個影片檔及 b 捲影像00:16
flowering plants and their parts - part 22 of 26. reviews the typical structure of the "higher" green plants and illustrates, through demonstrations, the functions and interdependence of their parts - 根 個影片檔及 b 捲影像00:31
flowering plants and their parts - part 12 of 26. reviews the typical structure of the "higher" green plants and illustrates, through demonstrations, the functions and interdependence of their parts - 根 個影片檔及 b 捲影像00:34
flowering plants and their parts - part 4 of 26. reviews the typical structure of the "higher" green plants and illustrates, through demonstrations, the functions and interdependence of their parts - 根 個影片檔及 b 捲影像00:37
the coniferous forest biome - part 17 of 27. the coniferous forest is a biome in which there are relatively few niches and therefore relatively few species of plants and animals. this film identifies the large coniferous forest areas of the world, and exa - 根 個影片檔及 b 捲影像00:34
tourists visit living root bridge or locally called jingkieng jri on july 16, 2022 in in mawlynnong, india. living root bridges are aerial bridges... - 根 個影片檔及 b 捲影像00:29
roots of living root bridge or locally called jingkieng jri lie on the ground on july 16, 2022 in in mawlynnong, india. living root bridges are... - 根 個影片檔及 b 捲影像00:11
green sprout set, small growing plant cartoon graphic, matte - finish, 4k resolution. - 根 個影片檔及 b 捲影像00:22
sunlight and shadow in uljin geumgang pine forest / uljin-gun, gyeongsangbuk-do, south korea - 根 個影片檔及 b 捲影像00:06松樹
tree root covered in calcium carbonate inside yongcheon cave (unesco world natural heritage site), jeju island - 根 個影片檔及 b 捲影像00:04
ds trees with large roots on jungle floor / palos verdes, california, united states - 根 個影片檔及 b 捲影像00:10
tu banyan tree roots cascading down rock cliff face with light peaking through the tree's canopy above / oahu, hawaii, united states - 根 個影片檔及 b 捲影像00:10
may 11, 2009 montage extreme downhill mountain bike racer making a timed run in a multi-heat competition - 根 個影片檔及 b 捲影像00:17
may 11, 2009 extreme downhill mountain bike racer making the first run in a multi-heat competition - 根 個影片檔及 b 捲影像00:22
