Pionium
n. [核]π介子素(由一个π介子和一个μ子组成的短命的准原子)
🗣️ 情景例句
I'd love to, but I have to be up early tomorrow.
我非常感谢，可是明天我得早起。
Other suppliers have almost identical goods at the price 10% to 14% cheaper.
别的供应商有和这几乎相同的货，价格便宜10%至14%。
A further million watched as the fire, following Indian custom, turned his body to ashes.
数百万人注视着缓慢的送葬队伍抬着他的遗体通过首都。还有上百万人看着将他的遗体按印度习惯火化成骨灰。