a long board that children play on. The board is balanced on a central point so that when a child sits on each end they can make the board go up and down by pushing off the ground with their feet.跷跷板
to change repeatedly from one emotion, situation, etc. to another and then back again(情绪、局势等)摇摆不定,不断反复,交替
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文