Bka
abbr. 膝下截肢（below the knee amputation）
🗣️ 情景例句
Ah. She's out.
啊。她出去了。
Missing school to watch the football match is out of the question.
为看足球赛而旷课，那可不行。
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。