一塊磁鐵的兩端
這一家就是核心畫面本身：手上那塊磁鐵，力量聚在兩頭的那兩個點。
noun · B2
One of the two points at the ends of a magnet where its pulling power is strongest; the two are usually called the north pole and the south pole of the magnet.
磁極（磁鐵兩端）
核心畫面
One way to hold this is a bar magnet with iron filings on the paper around it. The filings do not spread evenly: they crowd at the two ends. Those two crowded points are the — the places where the pull gathers. The word keeps that picture wherever it goes, and the only thing that changes is how big the magnet is.
可以想成一塊條形磁鐵，紙上撒著鐵粉。鐵粉不是平均鋪開的，而是擠在兩端。那兩個擠得最密的點就是磁極——力量聚集的地方。…更多收起
可以想成一塊條形磁鐵，紙上撒著鐵粉。鐵粉不是平均鋪開的，而是擠在兩端。那兩個擠得最密的點就是磁極——力量聚集的地方。這個字走到哪裡都帶著這個畫面，變的只是那塊磁鐵有多大。Two branches
地球這塊大磁鐵的兩端
把那塊磁鐵放大成一整顆星球，畫面完全不用改：力量一樣聚在兩端，只是這次的磁鐵是地球本身。
noun · B2
One of the two places on Earth, near the North and South Poles but not fixed in one spot, that the needle of a compass points toward.
地磁極（磁北極／磁南極）