spelling

A material that is often used for making bottles.

A soft material that comes from a plant and is often used for making clothes.

A material that comes from trees.

A long thin piece of cotton or wool.

A hard, strong material such as gold or silver.

to stay in a tent for a short time.

the activity or sport of moving over snow on skis

fast 除了快，还有什么意思？

• 禁食

• 寄宿

• 提升