1 a book or magazine published once a year, especially for children, with the same title and style but different contents -- 年刊,年报;(尤指)儿童年册
2 a plant that grows, produces seeds, and dies within one year -- 一年生植物
They spent their annual holiday on a yacht in the Caribbean.
The flowers at the annual flower show were a beautiful sight.
The government have just launched their annual Christmas campaign to stop drunken driving.
You will receive annual pay increments every September.
He had also colonised the communal gardens immediately surrounding his ' patch ' and a bed of unofficial annuals were in place.
62 plants being considered in the one system as annuals and in the other as biennials.
In any case, extrapolation should be done with caution because most species in the seed bank are annuals.