Bka
abbr. 膝下截肢（below the knee amputation）
🗣️ 情景例句
Winter in Beijing is too cold.
北京的冬天很冷。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。
Dan wondered why he was wanted by the police, but he went to the station yesterday and now he is not worried anymore.
丹奇怪警察为什么找他，但昨天还是去了，结果他一再担心了。