new species ;
例句:
They have bred a new variety of rose with large flowers.
他们栽培了可开大花朵的新品种玫瑰花.
This year we will produce a new line in toothpaste.
今年我们要生产几款牙膏的新品种.
The individuals of the new variety would chiefly cross together.
这个新品种的个体通常会彼此配合.