例句與造句

1. For 16 percent of the species studied, the first flowering date in the 1990s shifted by an average of 15 days . The greatest change was for a plant called the white dead nettle.
2. Flowers observed throughout the summer : cowslip, scabious, red and white campions, herb-Robert, red and white dead nettle, mallow, scarlet pimpernel, trefoil, yarrow, yellow rattle, bed straw, oxeye daisies, red and white clover, hare's-foot clover, grounsel, hawkweed, germander speedwell, a range of tall grasses.
3. It's difficult to find white dead nettle in a sentence. 用white dead nettle造句挺難的