The four-year-old son watched it all in silence.

四岁的儿子默默地看着这一切。

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I put a lighted match to the letter and watched it burn.

我划了根火柴点着了那封信，然后看着它燃烧。

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I have watched it for three times.

我已经看了三遍了。

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I watched it for perhaps a half-hour until my curiosity got the better of me.

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It means that if I took this cell and isolated and watched it, I'd notice that it had a couple of characteristics.

意思就是如果我取这些细胞,分离并观察,我会发现它有几个特征

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So I watched it 10 times.

我反复看了十遍。

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But the result was that we turned the TV off and watched it solely on YouTube.

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Within days, over 100, 000 people had watched it in a country of seven million.

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We glowed with delight as we watched it become confident in its continuing achievements.

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