Particle energy
[化] 质点能量; 粒子能
🧩 词语组成解析
🗣️ 情景例句
It's a bargain.
真是大廉售。
Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
They made no effort to hide their amusement whenever I produced a packet of sweets from my pocket.
每当我从口袋里掏出一包糖果时，他们都毫不掩饰地表现出他们对此感到非常好笑。