I am no physicist, but I imagine you have all blown air over the top of an empty bottle and heard the sound it makes.

我不是物理学家，但我想你们都曾往一个空瓶子的顶部吹过气，并听到过它发出的声音。

youdao

Kozue Ando of Japan (top) embraces Yuki Nagasato after winning the penalty shoot-out on July 17, 2011, in Frankfurt am Main, Germany.

2011年7月17日，在德国法兰克福体育中心，当赢得了决胜点球之后，日本的 Kozue Ando（上）和 Yuki Nagasato 相拥。

youdao

I am going to mobilise public opinion sufficiently to bring to the very top of the nation's conservation agenda the severely endangered species I have in mind.

我将充分调动公众舆论，把我心目中的严重濒危物种置于国家保护议程的首位。

youdao

Because what I am saying here is "let's not study the average", let's study the top five percent so that we can understand the phenomenon better.

我想说的是，不要研究大众，研究快乐指数最高的5%的人,这样就可以更好地理解这一现象。

哈佛公开课 - 幸福课课程节选

Prior to its release in June of 1967, most of music being produced was for Top 40, AM radio play and for dance parties.

NPR: Singer Recalls the First Time She Heard the Beatles

There have been attempts to crack those stereotypes, but if anything, it's even harder than it was in Hendrix's day, a time when AM Top 40 had plenty of variety, free-form FM radio welcomed experimenting and record labels strained to catch up with it all.

CNN: The not-so-slight return of Jimi Hendrix

For those stocks in the top ten that I am currently long, I have included the price and date when those longs were established, as well as the current stop levels I recommend.

FORBES: The 10 Most Overbought Dow Stocks