例句與造句

1. Cranially, it reaches the skull, and caudally, it reaches the second thoracic vertebra.
2. It extends from about the third cervical to the second thoracic vertebra, its maximum circumference ( about 38 mm . ) being on a level with the attachment of the sixth pair of cervical nerves.
3. It's difficult to find second thoracic vertebra in a sentence. 用second thoracic vertebra造句挺難的