My discovery of these books was very exciting.这些书的发现令我非常兴奋。

The fascination of discovery has never left him.他一直迷恋发现的魅力。

The discovery of adrenalin came about by accident.肾上腺素的发现纯属偶然。

Scientists have made an important discovery.科学家们有了一项重大发现。

I made a startling discovery: I was not his first wife.我发现一件可怕的事情：我不是他的第一任妻子。

the discovery that his wife was HIV-positive他妻子艾滋病病毒检测呈阳性的这一发现

Penicillin was one of the most important discoveries of the 20th century.青霉素是20世纪最重大的发现之一。