Positronium
n. 电子偶素, 正电子素, 阳电子素\\n[化] 正电子素
🗣️ 情景例句
Crash dieting is not an advisable way to lose weight.
疯狂节食可不是减肥的好方法。
She is in good shape.
她的身体状况良好。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。