a piece of equipment in the form of a seat that somebody can sit on to be moved up and down stairs, used by people who find it difficult to walk up and down stairs without help, especially in their own home 座椅式升降器(供无法步行上下楼的人使用)
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文