7,362 免費圖片適用於危險

黑和白動物自然野生動物風險藍色警告黃色捕食者水

Firefighters attack a fire

A horde of unidentified bats, an animal know to be a possible carrier of the rabies virus. 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”.

Sign (General warning)

Mosquito

毛毛蟲昆蟲

A left lateral view of a female, Aedes aegypti mosquito obtaining a blood meal from a human host. 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”.

A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. 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”.

電子學细菌

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”.

Sign (Watch for falling objects)

A medical illustration of vancomycin–resistant, Enterococci sp. bacteria. 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”.

電子學细菌

Army men

A literal pit of vipers at the "World's Largest Rattlesnake Roundup" in Sweetwater, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Sign (General Warning)

Danger Sign

建築物景觀

Sign (Rotating parts)

野生動物動物

雙髻鯊

海洋動物魚

Tasmanian Devil

A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the presence of cytoarchitectural changes indicative of fatty degeneration. 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”.

電子學细菌

An alligator suns itself on the bank of a pond.

短吻鱷動物

exercising karate with knife

A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. 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”.

A 3D image of a group of Gram–positive, Corynebacterium diphtheriae, bacteria. 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”.

Skyscraper window washers

建築物企業

Shark Teeth

野生動物動物

Old Concrete On Ground Cracked

Cobra

眼鏡蛇自然

Pirate sword

High Voltage Sign

Sign (Toxic)

A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. 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”.

Wasp

野生動物動物

Sign (Toxic)

High Voltage Sign

Gas masks

Two Dragons and Monsters attacking a boat

Sign (High temperatures)

Garlic peeling concept

High Voltage Sign

Barbed wire fence

Matchstick Couple

Mushroom Cloud

Street Sign

Hunting

Sign (Toxic)

非洲動物動物

Black Barbwire

Caution Sign

Tiger Paws

Kraken

Beehive

野生動物動物

Warning

Bigfoot

格拉斯曼（神祕動物）大腳野人

old barrels

Cobra

A rock fishing

Velociraptor

Rattlesnake

野生動物動物

Danger hazard shield

A rock fishing

Danger hazard shield

Mushrooms

Fire

Leeches

醫療藥物動物

Danger, Water, Big eyes

Photography Of Erupting Volcano

Fragile

破碎的玻璃

Beautiful landscape at the Pyrenees, Spain.

鯊魚臉

Bullet

Group of happy people with guide whitewater rafting

Caution Tape

Quit smoking

Scranton, United states, Danger

Scull And Crosed Bones

noguera pallaresa river kayaking

come A Little Closer

Close-up Of Wire Against Blurred Background

Raptor

Elephant

Tornado

抽象藝術自然

rafting in wild water

Skydivers parachutists jump out of an airplane

Leeches

醫療藥物動物

Sign, Shooting range, Danger

Roller Coaster Ride

King Cobra

Ninja Star

日本人武器

Life is beautiful

Scorpion

Shark

Alligator

野生動物動物

Iron Maiden

Group of adventurers in an inflatable dinghy in the white water

Group of adventurers in an inflatable dinghy in the white water

Danger Sign

Grenade

Scorpion tail

Danger Fence

Great White Shark

Toadstool

201 - 300 共 7,362 下一頁

/ 74