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.
Hello, Betty. When are you going off to Guangzhou?
你好,贝蒂。你什么时候去广州?
Do you remember one afternoon ten years ago when I came to your house and borrowed a necklace of yours? Pierre, my husband, was working in a government office. We'd been invited to a ball at the palace so I needed to borrow some jewellery.