Omphalos
n. 浮凸饰, 圆锥形神石(古希腊人认作世界中心的标志), 中心, 脐\\n[医] 脐
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
Do you have a valid license?
你持有效驾驶执照吗？
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。