網頁2024年11月24日 · Canaries, like most birds, lay their eggs on the ground or a low spot in their cages. If your canary is constantly sitting at the bottom of its cage, then it’s probably … 網頁ca•nar•y. n., pl. -nar•ies. 1. a small, sweetly singing greenish yellow finch, Serinus canaria, of the Canary Islands and vicinity, often a brilliant to pale yellow in varieties bred as cage birds. 2. a light, clear yellow color. 3. …
Canary Cage Setup: How to Setup the Perfect Canary Cage
網頁canary noun [ C ] us / kəˈner·i / a small, yellow bird, popular as a pet in a cage (Definition of canary from the Cambridge Academic Content Dictionary © Cambridge University Press) … 網頁A domestic canary, of the type historically used to detect gas in coal mines Sentinel species are organisms, often animals, used to detect risks to humans by providing advance warning of a danger. The terms primarily apply in the context of environmental hazards rather than those from other sources. 5c可以用黑解吗
What is "a canary in a coal mine"? [closed] - English …
網頁2016年12月30日 · Mining foreman R. Thornburg shows a small cage with a canary used for testing carbon monoxide gas in 1928. George McCaa, U.S. Bureau of Mines. Never mind the gas—it was automation that got … 網頁Yaheetech 30-inch Stackable Flight Bird Cages for Parakeets Cockatiels Conures Finches Budgies Lovebirds Canaries Small Birds Parrots Birdcage, White 357 $13 99 ASOCEA Bird Cage Seed Catcher Seeds Extra Large Guard Skirt Birdcage Nylon Mesh Netting Parrot Lovebirds Parakeet Round Square Cage - Blue (Not Include Birdcage) 13 $5 97 網頁2024年1月16日 · canary in the coal mine Etymology [ edit] An allusion to caged canaries (birds) that miners would carry down into the mine tunnels with them. If dangerous gases such as carbon monoxide collected in the mine, the gases would kill the canary before killing the miners, thus providing a warning to exit the tunnels immediately. Pronunciation [ edit] 5c培养基