New words：

cabin ['kæbin] n.（轮船上生活或睡觉的）隔间；（飞机的）座舱；（通常为木制的）小屋

Sample Sentences：

My uncle lived in a log cabin.
Please book me a cabin on the ship.
We moved into a cabin with electricity but no running water.

New words：

afloat [ə'fləut]
adj.漂浮的
adv.漂浮；在海上；在船上；传播

Sample Sentences：

She spent seven days afloat on a raft.
I always feel like I am drowning trying to stay afloat.
If someone or something is afloat, they remain partly above the surface of water and do not sink.

New words：

solar ['səulər] adj. 太阳的；太阳能的

Sample Sentences：

There are nine planets in the solar system.
Solar energy can be transformed into power.
We can use the solar energy to make electric and get warm.

New words：

convert /kənˈvɜːrt/ v.转换；转化；(使)转变

Sample Sentences：

Coal can be converted to gas.
Water is converted into steam if it is boiled.
He wanted to convert his dollars into Chinese Yuan.
The solar cell can convert the energy of sunlight into electric energy.

New words：

snack [snæk]
n.小吃；点心；快餐
v.吃点心（或快餐、小吃）

Sample Sentences：

She likes to snack while watching TV.
I'm not very hungry a small snack is fine for me.
He converted his truck into a mobile snack bar.

convert /kənˈvɜːrt/ v.转换；转化；(使)转变