例句與造句

1. Several viruses are known to infect the plant, including seed-borne strawberry latent ringspot virus, parsnip yellow fleck virus, parsnip leafcurl virus, parsnip mosaic potyvirus, and potyvirus celery mosaic virus.
2. It's difficult to find parsnip mosaic potyvirus in a sentence. 用parsnip mosaic potyvirus造句挺難的