sponging

动词 sponge:

1. wipe with a sponge, so as to clean or moisten
   同义词：sponge
2. ask for and get free; be a parasite
   同义词：mooch, bum, cadge, grub, sponge
3. erase with a sponge; as of words on a blackboard
   同义词：sponge
4. soak up with a sponge
   同义词：sponge
5. gather sponges, in the ocean
   同义词：sponge

1. David kept sponging from his friend Jack, though he knew well that Jack's money wouldn't last for ever.
   大卫明知他朋友杰克的钱是有限的，但他仍然不断揩他的油。
2. The three children have been sponging on their grandparent for over ten years.
   10多年来这3个孩子一直靠他们的姥爷、姥姥养活。