例文・使い方で印象づける「instrumentality」の覚え方
スポンサーリンク...[The old slave-dealer, whom he met at Casembe's, and who seems to havebeen set at liberty through Livingstone's instrumentality, arrives atUjiji at last... 
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
ランダム例文：
fructify culminates Épinal
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