接住兩邊的那個零件
核心畫面本身,也是這個字最實體的一支:那塊你看得見、摸得到、會鬆掉的鋼。其他各族都是從這裡走出去的。
noun · B2
The part that holds two things together so that they move as one — most often the metal link between two railway carriages, or between a vehicle and the trailer it is pulling, but also the fitting that joins two pipes, hoses or shafts.
連結器、接頭