轉緊發條,機器才會動
這一條就是核心畫面本身,沒有轉彎:真的有一個鑰匙,真的有一個彈簧。
adjective · B1
Used about a toy, clock, radio, or other machine that you make work by turning a key or handle several times; the turning tightens a spring inside, and the spring then slowly lets go and moves the machine.
發條式的/手搖的