有看電視比賽轉播的都知道 地上會出現藍黃紅不同顏色的線
要是身邊有剛開始看球的新手 特別是小孩 常常就會被問
現場比賽地上也會有那些線嗎? 那是怎麼畫出來的?
Here is how: How the NFL's magic yellow line works
https://www.youtube.com/watch?v=1Oqm6eO6deU
原來一開始是為 hockey 發明的... but people hated it..
--
She was warned. She was given an explanation.
Nevertheless, she PERSISTED!
--
要是身邊有剛開始看球的新手 特別是小孩 常常就會被問
現場比賽地上也會有那些線嗎? 那是怎麼畫出來的?
Here is how: How the NFL's magic yellow line works
https://www.youtube.com/watch?v=1Oqm6eO6deU
原來一開始是為 hockey 發明的... but people hated it..
--
She was warned. She was given an explanation.
Nevertheless, she PERSISTED!
--
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