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"Glacier blood" nghĩa là gì?
14 Apr, 2022
"Glacier blood" = sông băng máu -> nghĩa là hiện tượng tảo phát triển trong đất, nằm dưới tuyết khiến cho tuyết có màu hồng hay đỏ.
Ví dụ
But they sometimes overdo (làm quá) it, multiplying until they throw things out of balance. This can cause toxic red tides, scummy freshwater blooms and unsettling glacier blood.
Winter through spring, the French Alps are wrapped in austere (mộc mạc) white snow. But as spring turns to summer, the stoic slopes start to blush. Parts of the snow take on bright colors: deep red, rusty orange, lemonade pink. Locals (dân bản xứ) call this “sang de glacier,” or “glacier blood.” Visitors sometimes go with “watermelon snow.”
But no, these aren't the sites of violent mountaintop massacres (thảm sát) — the spooky red stains, known as "glacier blood," actually come from microalgae (vi tảo) that live in the snow, and scientists recently trekked into the Alps to study these mysterious organisms.
The sang de glacier or glacier blood phenomenon (hiện tượng), in which alpine snow turns pink in the spring, has been observed for centuries (hàng thế kỉ). Aristotle believed it to be the work of “red and hairy worms” under the snow.
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