Bka
abbr. 膝下截肢（below the knee amputation）
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
She intended to dress up as a ghost and as she had made her costume the night before,
她打算装扮成鬼的模样。头天晚上她已把化装服做好，