例句與造句

1. Separation of this genus ( the only genus in the tribe "'Nomadini "') from other members of the Nomadinae can be difficult; details of the wing venation, and the nature of the patch of silvery setae at the tip of the female metasoma are the best distinguishing features.
2. It's difficult to find nomadini in a sentence. 用nomadini造句挺難的