Falling Behind

  • na.跟不上;拖欠
  • 网络落后;落后的;落后於

第三人称单数:falls behind 现在分词:falling behind 过去式:fell behind 过去分词:fallen behind

Falling BehindFalling Behind

Falling Behind

na.

1.落后,跟不上

2.拖欠

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