例文・使い方で印象づける「trill」の覚え方
スポンサーリンク...The song varies greatly in different districts; thus, inBahia Blanca it is without the long trill at the end, and in otherlocalities I have found it vary in other ways... 
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...The call is a trill of a single noterapidly reiterated, and loud enough to be heard half a mile away; thecry being accompanied by vibratory motions of the wings...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...Thayer in "Warblers of North America" describes itscommon song as "a loud silvery 'sleigh-bell' trill, a vivid,sprightly utterance...
Frank M. Chapman 「What Bird is That?」
...Its song is a trill, clear and sweet, but by no meansloud...
Frank M. Chapman 「What Bird is That?」
...Beforeeven the robin was awake, earlier than dawn, he would start themorning chorus with the simple little trill that answers for a song toexpress every emotion throughout the long day...
Neltje Blanchan 「Birds Every Child Should Know」
...Call, a recognizablechip; song, a short, simple trill...
Frank M. Chapman 「Color Key to North American Birds」
...Call, a characteristictchip; song, a trill...
Frank M. Chapman 「Color Key to North American Birds」
...Call,chip; song, a musical whistle, cher-weé, cher-weé-cher-weé,cheé-o, dee-e-e-e-e; with many variations but usually endingin a trill...
Frank M. Chapman 「Color Key to North American Birds」
...Herlaugh, sweet and wild as a bird's trill, set Baree's heart throbbingwith a desire to jump about with her among the flowers...
James Oliver Curwood 「Baree, Son of Kazan」
...Then he took up the real music lessons, and taught him how to whistleand how to warble and trill...
Gene Stratton-Porter 「The Song of the Cardinal」
...Then I discovered thatthere is a trill, a tiny grace note or yodel, at the end of his secondnote...
William J Long 「Wilderness Ways」
...There was the trill of a canary withthe sun on its cage...
Various 「Astounding Stories of Super-Science February 1930」
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disfavour discernible grudgingly
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