例文・使い方で印象づける「obstructions」の覚え方
スポンサーリンク...The path was clear and easy, the tamped and firm red soil offered no obstructions... 
Henry M. Stanley 「How I Found Livingstone」
...might lodge against them, and form dangerous obstructions in the way of craft which might be hereafter used on the river...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
...Mind has itsinertia as well as matter; and its progress to truth can only be insuredby the gradual and patient removal of the obstructions which surroundit...
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
ランダム例文：
pirating probably fettle
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