Positronium
n. 电子偶素, 正电子素, 阳电子素\\n[化] 正电子素
🗣️ 情景例句
Let's tie the knot.
我们结婚吧。
Two quarrel and a third profits by it.
鹬蚌相争，渔翁得利。
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。