used ahead of a noun to refer to an individual detail or individual that hasn't been talked about ahead of, especially when you are not referring to a specific detail or man or woman:乳交 潮吹 痙攣 接吻 腳交 顏射 深喉 口爆 中出 口交 肛交 玩法Phonetic alphabet symbols associated with A—the Global Phonetic Alphabet only work