vector
n
1 (mathematics 数) quantitythat has both magnitude and direction, eg velocity 矢量; 向量. Cf 参看 scalar.
2 (biology 生) organism (esp an insect) that transmits a particular disease or infection (传播疾病的)媒介生物, (尤指)媒介昆虫. Cf 参看 carrier 4.
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.