Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.

苯环是一个由六个碳原子,和六个氢原子组成的环。

麻省理工公开课 - 化学原理课程节选

Based on Henry the 8th's six wives. Henry the 8th? Ring a bell?

关于亨利八世的六个妻子的故事，亨利八世？听起来很熟悉？

正在准备庆典 - SpeakingMax英语口语达人

The former IBO champion from Belfast was back in the ring six months after his British super-middleweight title defeat to Carl Froch.

BBC: SPORT | Boxing | Magee returns with points win

Local resident Gretchen Ramke, 30, said she heard "six or seven" shots ring out about 30ft (9m) from where she stood with a friend.

BBC: New Orleans Mother's Day parade hit by shooting

In the example of the Pittsburgh Six, the difference between the ring leader and the other prisoners was not intelligence or genius.

FORBES: The Pittsburgh Six: The Template for Innovation