noun ダウンロード 🔗共有 尻, 臀部 (usually in the plural) Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum and the top of the legs. Examples : "The toddler slipped and landed on her buttocks, giggling. " 幼児は滑って尻に着地し、くすくす笑った。 body anatomy human physiology AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 船尾 The convexity of a ship behind, under the stern. Examples : "The ship's buttock was damaged during the storm. " 嵐の間に船尾が損傷しました。 nautical part AIとチャット語彙ゲーム読解練習