| 释义 |
| | | | NOUN | | | | | /ˈvektə/ | | | | | 1 | technical a quantity such as velocity (= speed at which something travels) that can change and is measured by its size and its direction 矢量；向量 | | | | 2 | technical the direction in which a plane flies 飞行航向 | | | | 3 | medical a very small animal or insect that carries diseases between larger animals or humans （在大型动物或人之间传播疾病的）带菌生物，昆虫媒介 | | 3a | a very small part of a cell , used in genetic engineering for carrying genetic material from one cell to another 载体（用于基因工程中，指细胞的一小部分，能将基因材料从一个细胞运送到另一个细胞） | | | | |