noun ダウンロード 🔗共有 ギシギシ Couch grass (Elymus repens; a species of grass, often considered as a weed) Examples : "The dog was chasing a twitch in the backyard. " 犬は裏庭でギシギシを追いかけていた。 plant agriculture biology nature AIとチャット語彙ゲーム読解練習