caught up on是什么意思 caught up on怎么读
caught up on的相关资料
caughtv.抓住，捕捉，赶上动词catch的过去式和过去分词
caught up on的用法和样例
用作动词 (v.)
- This tax bears down on the lower middle class.
税务压倒了中产阶级的下层。 - The burden on his back seemed to be crushing him to the earth.
他背上的重负似乎要把他压倒在地。
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