Biexciton
n. [物] 雙激子
??? 情景例句
Life is full of ups and downs.
生活充滿起伏。
With pleasure.
很榮幸。
A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
一個飛行員發現了一只氣球，它像是正飛往附近的一個皇家空軍基地。