pith

?? 發(fā)布時(shí)間：2026-04-15 10:56:37

英 [p?θ] 美[p?θ]

GRE暢通詞匯樹

復(fù)數(shù):?piths;

pith 中果皮，木髓，核心，精髓

來(lái)自古英語(yǔ)pitha,樹心，木髓，來(lái)自West-Germanic*pithan,核，詞源同pit.引申詞義核心，精髓。

pith (n.): Old English pita "pith of plants," also "essential part," from West Germanic *pithan- (cognates: Middle Dutch pitte, Dutch pit, East Frisian pit), a Low German root of uncertain origin. Figurative sense was in Old English. Pith helmet (1889, earlier pith hat, 1884) so called because it is made from the dried pith of the Bengal spongewood.
pith (v.): "to kill by piercing the spinal cord," 1805, from pith (n.). Related: Pithed; pithing.

2. Using a sharp knife, cut away the pith and peel from both fruits.: 用一把鋒利的刀削去兩種水果的外皮和中果皮。

3. Both the rubber and the pith ball are negatively charged.: 這時(shí),橡膠棒和木髓球兩者都帶負(fù)電荷.

4. The pith of this stemlike stele appears rather strongly like collenchyma tissue.: 莖狀中柱的髓顯得頗強(qiáng)健,像厚角組織.

5. Major Shairpe, much spruced up and wearing a pith helmet , arrived on the dot of nine.: 謝普少校打扮得整潔多了,戴著一頂編織著木髓的鋼盔, 正好九點(diǎn)來(lái)到.

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