1. The children are collecting smooth stones by the river.
孩子们正在河边收集光滑的石块。
2. She wears a necklace made of colorful stones.
她戴着一条由彩色宝石制成的项链。
3. The doctor checked him for kidney stones.
医生检查他是否有肾结石。

A: Look at these beautiful stones on the beach!
A：看海滩上这些漂亮的石头！

B: Yes, they are very unique and smooth.
B：是的，它们非常独特且光滑。

1) 石头，石块

2) 宝石

3) 结石

1. 石头，石块

e.g. The path is covered with small stones.
小路布满了小石子。

2. 宝石

e.g. She collects rare stones.
她收集罕见的宝石。

noun

1. Hard, solid mineral matter of which rocks are made.

2. A precious gem.

Synonym: rocks, pebbles, gems