派对结束后，几个人留下来帮忙清理。
After the party a few people stayed behind to help clear up.
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behind英 /bɪˈhaɪnd/|美 /bɪˈhaɪnd/
解释
behind 是副词，表示“留下来、留在原地”，指派对结束后没有离开而是留下来帮忙清理。
After the party a few people stayed behind to help clear up.
behind 是副词，表示“留下来、留在原地”，指派对结束后没有离开而是留下来帮忙清理。