"以前"是个多义词，它可以指以前（汉语词语）,以前（石咏莉演唱歌曲）。
以前 [yǐ qián]
adv. before ; previously
双语例句原声例句
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他们会在天黑以前回来。
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你以前做过这种工作吗？
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我比以前吃得少多了。
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And the first thing you do is ask is it an instance of some problem that other people have already solved?
而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题？
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I've been taking the train for the past, say, give and(or) take six years and I've always loved it.
我以前一直坐火车，大约6年里都乘坐它，我一直很喜欢它。
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As every time we introduce a new programming concept, we'll relate it back, as we have been doing consistently, to defensive programming.
我们每次介绍一个,新的编程概念的时候，就会和以前讲的联系起来，就和我们介绍防卫性程序设计一样。
应用推荐
$firstVoiceSent
- 来自原声例句