So we have been fairly thorough in our discussion about coral reefs, which of course are prominent, oceanic features made of hard limestone skeletons produced by tiny coral animals.

我们对珊瑚礁的讨论已经相当深入了；显然，珊瑚礁具有显著的海洋特征，由小型珊瑚动物制造的石灰骨架构成。

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The course is made up of 12 two-hour sessions.

这门课总共上12次，每次两小时。

《牛津词典》

Of course, it was an element the periodic table let us to expect existed before anyone had found it or made it.

当然，它在被人发现或制造前，就是一种元素周期表使得我们期待其存在的元素。

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"And what did you think of it?" "I loved the movie. Of course,being a true story made me more interested.

VOA: special.2010.03.01

Maybe I made a big mistake by likening it to an organic chemistry course-- I don't mean to turn you off.

也许将其比作有机化学课,是个错误,我不是故意想倒你们胃口的

耶鲁公开课 - 金融市场课程节选

The nymphs, of course, are powerless, and worse than that, the nymphs, as we know and of course as John Milton knew, are merely fictions. This is all made up.

海洋女神当然无能为力，更糟糕的是，海洋女神，我们都知道，弥尔顿也知道，只是虚构的，这都是虚构的。

耶鲁公开课 - 弥尔顿课程节选

O'Leary's successors -- two politicians chosen for their Hispanic- American heritage rather than the experience needed to redress their predecessor's mis- and malfeasance -- have made appreciable course corrections.

CENTERFORSECURITYPOLICY: Lights Out at los Alamos?

His health, which has been poor since he was rushed to hospital for several weeks in Paris at the end of 2005, has made this course look even less wise.

ECONOMIST: A general election has made almost nobody any happier

What made you change course and give up your dream of playing drums professionally?

FORBES: Female CEO Series: Tena Clark Drums Up the Next Phase of Her Career