英语听力精选进阶版 12520

 

The History of the Black Box

Sat, 28 Mar¹ 15

The man who invented in-flight recorders, John and Yoko in bed in Amsterdam, and curing TB.

1 mar   

vt.破坏，毁坏，弄糟

参考例句：

• It was not the custom for elderly people to mar the picnics with their presence.大人们照例不参加这样的野餐以免扫兴。
• Such a marriage might mar your career.这样的婚姻说不定会毁了你的一生。