1.infect 感染;传染
A single mosquito can infect a large number of people.
一只蚊子就能传染很多人 。
2.transmit 传播
Parents can unwittingly transmit their own fears to their children.
父母自己的恐惧有可能在无意中感染了孩子 。
3.intervene 干预;介入
The situation calmed down when police intervened.
警察干预后,局势平静了下来 。
4.structural 结构的
The explosion caused little structural damage to the office towers themselves.
爆炸对办公大楼本身几乎没有造成结构上的损坏 。