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免費 二氧化unk 視頻

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abstract pink and purple spheres
animation of flying balloon and crystal ball moving against white background
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high quality cgi render of a scientific molecular model of a wtare h2o molecule, with space on the left of screen to add information or data
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銀色和金色球體的擴展
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high quality cgi render of a scientific molecular model of a carbon dioxide molecule, with simple black label and chemical symbol
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animation of numbers and molecules on black background
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transparent blue liquid bubbles background, 3d rendering.
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neutron-induced splitting of atomic nucleus visualized
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靠近一個病人透過氧氣面具呼吸,看著相機 1
靠近一個病人透過氧氣面具呼吸,看著攝影機
sick woman at home
portrait of two women putting on medical face mask. social distancing concept. close-up.
hydrogen and molecules, 3d rendering.
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high quality cgi render of a scientific molecular model of a water h2o molecule, with simple black label and chemical symbol
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molecule and water bubble, 3d rendering.
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在健身房喝水的疲<unk>的女孩的侧面视图
high quality cgi render of a scientific molecular model of a methane molecule, with space on the left of screen to add information or data
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animation of molecules and scientific data processing on dark background
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animation of macro of molecules and glowing light spots on purple background
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病人透過氧氣面具呼吸的近距離拍攝 2
一名病人透過氧氣面具呼吸的近距離圖片 1
transparent blue molecule and water bubbles underwater, 3d rendering.
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visual sequence of nuclear fission reaction
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abstract green bubbles background
白人研究員女士在綠色田野中進行害蟲控制時,戴著防護服拿著試管
abstract floating spheres
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abstract blue flower with water drops
abstract green bubbles background
molecules with blue background, 3d rendering.
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molecule with water surface background, 3d rendering.
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chemical molecule with blue background, 3d rendering.
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sick woman at home
molecule with biology and chemical concept, 3d rendering.
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transparent blue molecule and water bubbles underwater, 3d rendering.
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病人躺在床上,脫下氧氣面具,咳嗽 2
abstract chemical reaction of cosmic nebula ink and resin - macro
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green bubbles background
两位日本朋友在厨房里做饭时玩得很开心
overhead shot of droplet of blue paint or dye dropped into water against white background to create swirling colourful pattern
water bubbles rising on transparent background.
high quality cgi render of a scientific molecular model of a carbon dioxide molecule, with space on the left of screen to add information or data
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animation of moving chemical formula on black background
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deuterium and tritium fuse to form helium
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ice shards and snowflakes slide down a wet window during a winters night
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abstract 3d spheres in motion
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animation of covid 19 cells moving over winter scenery and snow falling in the background
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病人在床上躺着,脱下氧气面具,咳嗽
neutron-induced splitting of atomic nucleus
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病人躺在床上,透過氧氣面具呼吸 1
abstract art background of swirling blue and black colors, ink bubbles burst and react
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