43,827 免費圖片適用於學生

女性生物學水下魚野生動物海上生活自然生命年輕的動物

The international student house Aurora in Oulu, Finland

Anemone Crab

野生動物動物

Male Student Stands on Knees

Female student flower

Female student

Female student

Female student

Female student paper airplane

Female student textbook

Female student cover face

Female student globe

地球儀學生

Female student ok sign

Speckled dace

Library Students

Female student cover mouth

Male Student

Student dialog box

Student dialog box

Male Student

Male Student

A scientist testing bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科學家科學

Surgery medical doctor

Female student light bulb

Female student megaphone

Female student megaphone

Female student textbook

Female student

Female student

Female student

Female student neck tension

Female student

Female student

Female student

Female student

Student Girl

Student Girl

Safety training on the Fond du Lac reservation

生物學家人行道

woman wearing hygienic mask to prevent the Coronavirus

Medical Doctor

香港大學學生會舉辦《雨傘革命回顧及展望論壇》 01

香港大學學生會舉辦《雨傘革命回顧及展望論壇》 02

Jumping Female Student

Yellow bullhead catfish-1

Schoolgirl and Schoolboy

Female Student with Smartphone

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Laboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

伶盜龍屬

Piranha Rouge

Piranha

Bath Soap

衛生學番梘

Female Student Graduation

Toucan

Arthritis of ankle. X-ray of foot. Lateral view

醫療藥物插畫

Four test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Spotted Gar - Lepisosteus oculatus

野生動物魚

Silver carp-3

野生動物魚

Black bullhead-2

野生動物魚

Pallid Sturgeon-3

野生動物魚

A scientist examining the results of a hemagglutinin inhibition (HI) test. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科學家實驗室

Brook trout-1

野生動物魚

Smallmouth bass-1

野生動物魚

Female high school student

童子軍

The narrow fuselage of NASA'S Ikhana unmanned science aircraft is evident in this view from underneath. Mar 5, 2007.

航空器陸軍

A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Schoolboy Wearing a Gym Suit

大學生

女童子軍

Greenery green space skyscraper

Greenery green space landscape

Pea Aphid

生物學自然

Pea Aphid

生物學自然

Fertilization

生物學人體

Female Student in the Class

Eulachon - Thaleichthys pacificus

Hybrid sunfish -2

Dolly Varden Char

Quillback carpsucker-2

Squid

Doctorate Scientist

科學家醫生

Teacher Helps His Student Girl

翼手龍屬

翼手龍屬飛行

Pea Aphid

生物學自然

Class Students

Female student cherry blossoms

Female student message board

Female student message board

Female student cherry blossoms

Female student japanese sword

Morone mississippiensis-2

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