例句與造句

1. The first symptoms of hopperburn is that a leaflet's margins start to curl up.
2. The feeding on the leaves causes discoloration but other common effects are deformation of leaves, leaf curling and necrosis from the apex to the basis of the leaves, usually known as hopperburn.
3. It's difficult to find hopperburn in a sentence. 用hopperburn造句挺難的