Diphthongia
n. [醫(yī)]復(fù)音,雙音
??? 情景例句
You haven't changed much in fifty years.
你五十年來沒有什么變。
Bad news has wings.
壞事傳千里。
I've come to make sure that your stay in Beijing is a pleasant one.
我特地為你們安排使你們在北京的逗留愉快。