實驗區域 圖片素材 (照片／插圖) 第1頁

地錢雌株

框架考試支持達摩通行證副本空間背景插圖材料

Potassium Permanganate Liquid, Serum bottle with dropper, KMnO4 and Pink flake chemicals in Chemical Watch Glass. Cosmetic chemicals ingredient on white laboratory table.

考試支持Daruma Pass禱告複製空間插圖素材

初中生在補習班學習

女生要思考

Golden Molecular Structures on Minimal White Scientific Background 3d render.

Banner Scientist woman holding chemical test yellow glass tube testing science laboratory. Lab technician holding gold fluid dropper glass tube Urine sample. Asian woman scientist with copy space

島永支援團體的白色頭帶，上面寫著支持的訊息

Beauty care cream, Pink flake chemicals, Potassium Permanganate Liquid, KMnO4 and Cetyl esters wax on white laboratory table.

A smiling doctor in pink gloves and a white coat looks at the camera on a light background

Old vintage metallic cup for 1000 grams

Hydronaut underwater research laboratory

Caucasian smart nerd schoolboy in lab coat, holds a tripod with test tubes with chemicals and reagents, watches a taking place chemical reaction, expressing stupefaction. Isolated on white background

Isolated on white background: young chemist scientist, smart preteen schoolboy in laboratory coat, pouring chemical reagent in glass retort at chemistry class. Free ad space for your promotional text

Isolated portrait on white background of smart school child, lovely little girl wearing lab coat, holding clipboard, smiling and showing a laboratory flask with liquid chemical at chemistry class

Happy smart pupil, teenage school boy in lab coat with a clipboard, cutely smiling looking and showing a flat-bottomed flask with chemical reaction taking place in it, isolated on white background

Rapid diagnosis of pregnancy at home. Top view of inkjet pregnancy test kits with biochemical reaction between hCG and urine appearing in two bars on white calendar with last menstruation dates marked

Lovely Caucasian smart child girl, little chemist scientist in lab coat, holding a tripod with test tubes with colorful liquid chemicals, cutely smiles looking at camera, isolated on white background

Selective focus on the gloved hands of chemist scientist, clinical researcher using litmus paper, conduct a PH test in a medical research laboratory. Measurement of acidity, alkalinity of chemicals

Caucasian smart primary school child, little girl chemist scientist, enjoys chemistry class, holds laboratory flask with colorful chemical solutions on white background. Education. Copy ad space

Portrait of a smiling attractive young female doctor in white coat holding medical mask standing

Portrait of a dissatisfied negative young woman doctor in white coat holding medical mask standing

Caucasian female person showing protection face mask isolated on pink background. Coronavirus or

Young nurse in protective face mask and white medical coat holding an empty magnetic board isolated