它们体型巨大，有时有8英尺长，其中许多生活在沼泽地里，我们的煤层就是在这里形成的。

They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.

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然而，有时有必要在这些时间之外工作。

It is, however, necessary on occasion to work outwith these hours.

《柯林斯英汉双解大词典》

让儿童看图画有时有助于他们用言语表达思想。

Showing children pictures sometimes helps them to vocalize their ideas.

《牛津词典》

It's not always how fast you throw the fastball, sometimes it's your different styles or the different ways that you decide when to throw what.

这不总是你投出,棒球的速度有多快，有时这是你投球的类型,或者你决定采用的投球方式。

麻省理工公开课 - 化学原理课程节选

You might have that commonly, but even more severe than normal; aches; and a rash.

你们都有过这种经历,有时也许比平常的更加严重,疼痛,皮疹

耶鲁公开课 - 生物医学工程探索课程节选

And then sometimes we'll see you need to escape even more useful characters.

有时我们需要你,用一些有实际意义的字符与其他字符隔开。

哈佛公开课 - 计算机科学课程节选