如果是强调"传染"这个动作
可以用 infect [ɪnˈfekt]
A single mosquito can infect a large number of people.
一只蚊子就能传染很多人。
②
如果是强调"传染"的性质
可以用：contagious [kənˈteɪdʒəs]
Keep him out of school until he's not contagious anymore.
让他别来学校直到他不再具有传染性。
“传染”英文怎么说？
如果是强调"传染"这个动作
可以用 infect [ɪnˈfekt]
A single mosquito can infect a large number of people.
一只蚊子就能传染很多人。
②
如果是强调"传染"的性质
可以用：contagious [kənˈteɪdʒəs]
Keep him out of school until he's not contagious anymore.
让他别来学校直到他不再具有传染性。