static circular eyepiece close up of honeybee forewing marginal cell and branching veins with microtrichia under light microscope against yellow field, apiculture entomology science nature discovery b roll footage, 4k resolution. - 膜 個影片檔及 b 捲影像00:05
views of a plastic membrane used to cover the ground of vegetable patch on an allotment plot, thereby maintaining moisture in the soil during summer,... - 膜 個影片檔及 b 捲影像00:09