Charmonium
[单复同]n.[核](被认为由一对粲夸克-反夸克构成的)粲素
🗣️ 情景例句
and we're trying to resolve that problem.
试图解决这类问题。
One of my suitcases is small,and the other one is medium size.
我的一个提包是小的，另一个是中等的尺寸。
Twelve days later, millions more Indians lined the railway tracks as a slow train took the jar containing his ashes 584 kilometres to a place by the river.
12天后，当一列慢车将盛有甘地骨灰的坛子驶向584公里外，靠近恒河的一个地方时，又有数百万人排列的铁路两旁，夹道送行。