以'stone'为开头或结尾的单词 - 通常与石头有关或以'stone'为基础。
The contract became the cornerstone of their partnership.
Graduating was a major milestone in her life.
The necklace was set with a large green gemstone.
The cathedral was built from local limestone.
The canyon walls are made of red sandstone.
They visited their ancestor's tombstone.
Trust is the keystone of any good relationship.
Her early work became the touchstone for the movement.
An internship can be a steppingstone to a full-time job.
She wore a ring set with a moonstone.