strathn.
英 stræθ | 美 stræθ
中文n. 平底河谷，宽平河谷
词根词源
strath (n.)"wide river valley between hills," 1530s, from Scottish, from Old Irish srath "wide river valley," from Old Celtic *s(t)rato-, from PIE root *stere- "to spread, extend, stretch out" (see structure (n.)).
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