pith helmet
collocation木髓遮阳帽；太阳帽
He bought a pith helmet for his trip to Africa.
他为去非洲旅行买了一顶木髓遮阳帽。
木髓；髓
piths — plural of pith
先理解核心含义，再看它在真实句子里的用法。
木髓；髓
The soft, spongy tissue in the center of plant stems and roots.
The pith of a sunflower stem is light and spongy.
向日葵茎的髓部又轻又软。
植物内部柔软的海绵状物质；特别是许多植物和树木根茎中心的薄壁组织。
The soft, spongy substance inside plant parts; specifically, the parenchyma in the centre of the roots and stems of many plants and trees.
一除以π,即1/π(约为0.31831...)。
One divided by pi, that is, 1/π (approximately 0.31831...).
(植物茎的)髓
soft spongelike central cylinder of the stems of most flowering plants
柑橘类水果皮的白色内层。
The albedo (“whitish inner portion of the rind”) of a citrus fruit.
She managed to get to the pith of the problem in just a few minutes.
她只用了几分钟就抓住了问题的核心。
The pith of his argument was that education should be free for everyone.
他论证的精髓是教育应对所有人免费。
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木髓遮阳帽；太阳帽
He bought a pith helmet for his trip to Africa.
他为去非洲旅行买了一顶木髓遮阳帽。
柑橘类果皮内层的白色海绵组织；橘白
She removed the orange pith before slicing the fruit.
她先把橙子的白色内皮剥掉，然后再切水果。
茎的髓部
Botanists examine the stem pith to identify the plant.
植物学家通过观察茎的髓部来鉴定这种植物。
论证的核心；论点精髓
The pith of his argument was that peace requires trust.
他论证的核心是和平需要信任。
事情的核心；问题的要点
Let's stop wasting time and get to the pith of the matter.
我们别再浪费时间，直接切入问题的核心吧。
真正本质；核心要旨
The pith and substance of her argument was that the project is too expensive.
她论证的核心要点是这个项目太昂贵。
重大的事业在这种顾虑之下也会改变方向，失去行动的意义。
The pith of her argument was simple: we need to act now.
她论点的主旨很简单：我们需要立即行动。
Use piths naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
pith：p 和 th 像两层外皮，中间的 i 就是植物茎里的髓芯——记住‘核心、精髓’。
语域：formal 常见场景：botany and horticulture、formal writing and speeches pith 作名词时通常用于正式或专业语境：在植物学中指“髓”，在文学或正式写作中引申为“精髓、核心”。比较常见于书面语或学科描述，口语中不多用。
Words ending in /ɪθ/ — myth (/mɪθ/), kith (/kɪθ/), smith (/smɪθ/), and with in its /wɪθ/ pronunciation (especially US) — rhyme with 'pith'. Note that 'with' is often /wɪð/ (especially UK), which does not rhyme. Beware lookalikes: 'fifth' /fɪfθ/ has an extra /f/ before /θ/, and 'pithy' /ˈpɪθi/ adds a syllable.
Dictionary facts from ECDICT, WIKTIONARY.