例句與造句

1. Instead of the flat trees just examined, most constituency grammars posit more layered structures that include a finite VP constituent.
2. Mourning doves sunbathe or rainbathe by lying on the ground or on a flat tree limb, leaning over, stretching one wing, and keeping this posture for up to twenty minutes.
3. It's difficult to find flat tree in a sentence. 用flat tree造句挺難的