例句與造句

1. A recent effort at biocontrol of diffuse knapweed in Idaho s Camas County effectively reduced of knapweed to minimal levels through the release of the lesser knapweed flower weevil and the knapweed root weevil.
2. These include the yellow starthistle flower weevil ( " L . curtus " ) for yellow starthistle, lesser knapweed flower weevil ( " L . minutus " ) for diffuse knapweed and blunt knapweed flower weevil ( " L . obtusus " ) for spotted knapweed.
3. It's difficult to find lesser knapweed flower weevil in a sentence. 用lesser knapweed flower weevil造句挺難的