Bka
abbr. 膝下截肢（below the knee amputation）
🗣️ 情景例句
Richard is right.
Richard是对的。
I want to make an overseas call to the United States?
我想打个电话到美国去。
But a closer study of the evidence, supported by a deeper sense of the period,
但是，进一步仔细研究，对那个时代的深化了解，