clar·i·on /ˈklæriən/
尖音號角(a.)清澈響亮的
Clar·i·on n. A kind of trumpet, whose note is clear and shrill.
He sounds his imperial clarion along the whole line of battle. --E. Everett.
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clarion
adj : loud and clear; "a clarion call"
n : a medieval brass instrument with a clear shrill tone
v 1: blow the clarion
2: proclaim on, or as if on, a clarion