If a tooth or your hair falls out, it becomes loose and separates from your mouth or head.(牙齿或头发)脱落,掉落
B2 informal to argue with someone and stop being friendly with them吵架;失和
If soldiers fall out, they move out of a line.原地解散;离开队列
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文