Old English piþa "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.
实用例句
1. the pith of her argument
她论据的核心来自《权威词典》
2. Using a sharp knife, cut away the pith and peel from both fruits.
用一把锋利的刀削去两种水果的外皮和中果皮。来自柯林斯例句
3. Both the rubber and the pith ball are negatively charged.
这时,橡胶棒和木髓球两者都带负电荷.来自辞典例句
4. The pith of this stemlike stele appears rather strongly like collenchyma tissue.
茎状中柱的髓显得颇强健,像厚角组织.来自辞典例句
5. Major Shairpe, much spruced up and wearing a pith helmet , arrived on the dot of nine.
