Ksd
abbr. Karlstad, Sweden 瑞典; Keshan disease 克山病（致命性充血性心肌病）; kidney stone disease 肾结石病; kinase sequence database 激酶序列数据库
🗣️ 情景例句
You can catch the ten-twenty train to Grand Central Station.
你能赶上开往Grand Central Station的十点二十分班车。
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。