英语释义
1. a usually continuous central strand of spongy tissue in the stems of most vascular plants that probably functions chiefly in storage
2. any of various loose spongy plant tissues that resemble true pith
3. the soft or spongy interior of a part of the body
4. the essential part core
5. substantial quality (as of meaning)
6. importance
7. to kill (an animal) by piercing or severing the spinal cord
pith cattle
8. to destroy the spinal cord or central nervous system of (an animal, such as a frog) usually by passing a wire or needle up and down the spinal canal
9. to remove the pith from (a plant stem)
10. the white covering that is found under the skin of oranges, lemons, etc.
11. the most important part of something
12. the loose spongy tissue forming the center of the stem in most plants
13. the important part
the pith of the problem
14. to kill (as cattle) by piercing or severing the spinal cord
15. to destroy the spinal cord or central nervous system of (as a frog) usually by passing a wire or needle up and down the spinal canal