Quadriplex
a. 四倍的, 四重的\\nn. 四式, 四顯性組合
??? 情景例句
Hmm. It's probably nothing.
嗯， 也許沒什么事。
His heart swelled with gratitude to her.
他心中充滿著對她的感激之情。
Travelling at a height of 30,000 feet, far above the clouds, and at over 500 miles an hour is an exhilarating experience.
騰云駕霧，在30，000 英尺高空以500英里的時速旅行，這種經歷令人心曠神怡。