| 词汇 | strain |
| 词根词缀 | 词源： 1. strain (v.) "to stretch, draw tight," c.1300, from prp. stem of O.Fr. estreindre "bind tightly, clasp, squeeze," from L. stringere (2) "bind or draw tight," from PIE base *strenk- "tight, narrow; pull tight, twist" (cf. Lith. stregti "congeal;" Gk. strangein "twist;" O.H.G. strician "mends nets;" O.E. streccian "to stretch," streng "string;" Ger. stramm, Du. stram "stiff"). Sense of "press through a filter" is from 1326 (implied in strainer); that of "lay undue stress on, make a forced interpretation of" is from 1449. Noun sense of "injury caused by straining" is from 1558. The meaning "passage of music" (1575) probably developed from a verb meaning "to tighten" the voice, originally the strings of a musical instrument (1387). 2. strain (n.) "line of descent," O.E. strion, streon "gain, begetting," from P.Gmc. *streun- "to pile up," from PIE base *stere- "to spread, extend, stretch out" (see structure). Applied to animal species first in 1607. 词根记忆： v. 拉紧;紧张;扭伤;竭尽全力n.拉紧;负担The heavy box strained the rope to a breaking point.那只沉重的箱子几乎把绳子拉断. |
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