Sparse vector
[计] 稀疏向量
🧩 词语组成解析
🗣️ 情景例句
What does your father do?
你父亲从事什么职业？
Exactly.
完全正确。
When he was alone, he telephoned the hospital exchange and asked for Doctor Millington.
当房里只剩他一个人时，他挂通了医院的交换台，要求与米灵顿医生讲话。