1 PHRASAL VERB 永久离开；抛下 If you leave someone or something behind, you go away permanently from them. 永久离开；抛下
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Many of the women had left their husbands behind and they told of their fears that they may never see them again. [VERB noun PREP.]
这些女人中很多抛下了自己的丈夫，她们说害怕可能永远都见不到他们了。
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We hear of women who run away, leaving behind their homes and families. [VERB PREP. noun]
我们听说有女人离家出走，扔下了家人不管。
2 PHRASAL VERB 留下；余留 If you leave behind an object or a situation, it remains after you have left a place. 留下；余留
3 PHRASAL VERB 把…抛在后面；超过 If a person, country, or organization is left behind, they remain at a lower level than others because they are not as quick at understanding things or developing. 把…抛在后面；超过
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We're going to be left behind by the rest of the world. [be VERB-ed PREP.]
我们将被全世界甩在后面。
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I got left behind at school with the maths. [get V-ed P]
在校时我的数学跟不上。
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Inflation has left them way behind. [VERB noun PREP.]
通货膨胀使他们远远落后了。