Question

pith 【pith】n.精华部分The pith of his speech was focused on the importance of education.他演讲的精华着重于教育的重要性。

Accepted Answer

[pɪθ] 
pithsoft spongelike central cylinder of the stems of most flowering plants
Pith is the central idea or essence of something. If you’re in danger, you could exclaim, “I would greatly appreciate it if someone would provide assistance.” Or, you could get right to the pith of your point by shouting, “Help!”
In botanical terminology, pith refers to a spongy, central cylinder of tissue found inside the stems of most flowering plants. If you know a lot about plants, that fact should help you remember the primary definition of pith. If not, just take our word for it. You can think about the pith of an argument like the pith of a plant: both lie at the heart or core of something.
All forms of 'pith' will appear on average once every 2250 pages.pithpithypithilypithiness

Front	pith
Pron	[pɪθ]
Back	【pith】 n.精华部分 The pith of his speech was focused on the importance of education. 他演讲的精华着重于教育的重要性。
Vocab	pithsoft spongelike central cylinder of the stems of most flowering plants Pith is the central idea or essence of something. If you’re in danger, you could exclaim, “I would greatly appreciate it if someone would provide assistance.” Or, you could get right to the pith of your point by shouting, “Help!” In botanical terminology, pith refers to a spongy, central cylinder of tissue found inside the stems of most flowering plants. If you know a lot about plants, that fact should help you remember the primary definition of pith. If not, just take our word for it. You can think about the pith of an argument like the pith of a plant: both lie at the heart or core of something. All forms of 'pith' will appear on average once every 2250 pages. pith pithy pithily pithiness

Pith Central Cylinder Stems Flowering Pɪθ N.精华部分 Speech