pack up to put

According to Caixin, local officials would take "illegal children" and pack them off to orphanages where they were put up for adoption.(根据财新杂志报道：当地计生委官员会“接走”“非法育儿”，并把他们带到孤儿院，等着被领养。)

If you need warm up your beer, just put the pack into a container with water and then into microwave oven to keep about 2 seconds before using.(如果您需要温暖你的啤酒，只是把包成一个货柜，与水，然后到微波炉保持约2秒，然后使用。)

After getting Mom to lie down on the couch, I remove her shoes, prop her feet up on a pillow and put a cold pack on her legs.(母亲躺进了沙发，我挪开她的鞋，用枕头支起她的脚，在她腿上敷上冰袋。)

"To pack up" means to put something inside a briefcase, or a suitcase, or perhaps a box so that you can take it with you when you leave a place.(收拾”指把东西放进手提箱，或一个箱子，或者一个盒子，这样当你可以离开某地时，你就可以把它带走了。)

And back in the pack up their luggage, the best is to put in cleaning, forgot about the rent, so can very good check whether have lost items.(并且在打包好自个的行李物品往后，最佳是把房租在清扫拾掇一下，这么能非常好的检查一下是不是有丢掉的物品。)