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2) 孩子们在画着玩呢。
Children draw pictures for fun.
7. cut off cut down cut up cut in
1.The moment I began to speak, he cut in.
2.We often cut up vegetables into small pieces.
3.The apple tree was dead and he cut it down.
打断谈话，插话 剁碎，切碎 砍倒（树）
4.We can’t cut down our expenses any more.
5.The country’s economy would collapes (崩溃) if oil supplies were cut off.
削减，缩小（数目，数量） 停止，中断（供给）