In 2007, a Russian expedition descended in a pair of vessels more than two miles under the ice cap and deposited a Russian flag on the seabed at the North Pole.
2007年,一支俄罗斯探险队在北极用两艘潜水器潜到了两英里之下的冰层,并在海底放置了俄罗斯国旗。
Two blind subjects used clicks and their echoes to distinguish objects like a car, tree or flag pole.
两名盲人受试者通过敲击和听其回声来辨别诸如汽车、树或棋杆等物件。
The rotation of the pole caused the flag to move back and forth as if rippling in the breeze even though there's no air on the moon.
旗杆的转动使得旗帜前后抖动,看上去好像是被风吹动的,即使月球上没有空气。
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