Question

tan v.鞣(革) tan (v.) late Old English tannian "to convert hide into leather" (by steeping it in tannin), from Medieval Latin tannare "tan, dye a tawny color" (c.900), from tannum "crushed oak bark," used in tanning leather, probably from a Celtic source (such as Breton tann "oak tree"). The meaning "make brown by exposure to the sun" first recorded 1520s; intransitive sense also from 1520s. Of persons, not considered an attractive feature until 20c.; in Shakespeare, "to deprive of the freshness and beauty of youth" (Sonnet CXV). As an adjective from 1620s. To tan (someone's) hide in the figurative sense is from 1660s. Related: Tanned; tanning. German Tanne "fir tree" (as in Tannenbaum) might be a transferred meaning from the same Celtic source.tan (n.) "bronze color imparted to skin by exposure to sun," 1749, see tan (v.). Earlier as "substance made of crushed bark used in making leather" (c.1600). As a simple name for a brownish color, in any context, it is recorded from 1888. The adjective meaning "of the color of tanned leather" is recorded from 1660s. Tan-line attested from 1979. 【记】音：炭，不少白人希望将皮肤晒成棕黑色(炭黑)，认为健康

Accepted Answer

[tæn] 【英】 v.鞣(革) (to convert ［hide］ into leather)【同】 派生词: tanner (n.制革工人)【例】 tan sheepskin(将羊皮制 成皮革) v. 鞣革(将生皮变为皮革)【记】鞣革需要tan(炭)火和丹宁酸(tannin)【参】tanner(n 制革工人)

单词	tan
音标	[tæn]
解释	v.鞣(革)
红宝书	【英】 v.鞣(革) (to convert ［hide］ into leather) 【同】派生词: tanner (n.制革工人) 【例】 tan sheepskin(将羊皮制成皮革)
字源	tan (v.) late Old English tannian "to convert hide into leather" (by steeping it in tannin), from Medieval Latin tannare "tan, dye a tawny color" (c.900), from tannum "crushed oak bark," used in tanning leather, probably from a Celtic source (such as Breton tann "oak tree"). The meaning "make brown by exposure to the sun" first recorded 1520s; intransitive sense also from 1520s. Of persons, not considered an attractive feature until 20c.; in Shakespeare, "to deprive of the freshness and beauty of youth" (Sonnet CXV). As an adjective from 1620s. To tan (someone's) hide in the figurative sense is from 1660s. Related: Tanned; tanning. German Tanne "fir tree" (as in Tannenbaum) might be a transferred meaning from the same Celtic source. tan (n.) "bronze color imparted to skin by exposure to sun," 1749, see tan (v.). Earlier as "substance made of crushed bark used in making leather" (c.1600). As a simple name for a brownish color, in any context, it is recorded from 1888. The adjective meaning "of the color of tanned leather" is recorded from 1660s. Tan-line attested from 1979.
不择手段背单词	v. 鞣革(将生皮变为皮革) 【记】鞣革需要tan(炭)火和丹宁酸(tannin) 【参】tanner(n 制革工人)
趣味全助记	【记】音：炭，不少白人希望将皮肤晒成棕黑色(炭黑)，认为健康

Tan Leather Meaning Recorded V.鞣(革 Convert Hide Celtic