New words：

consumption /kənˈsʌmpʃn/ n. 消费；(能量、食物或材料的)消耗，消耗量；

必记高频搭配

fuel consumption 油耗；燃料消耗

This car has low fuel consumption.

energy consumption 能源消耗

We should reduce energy consumption.

reduce consumption 减少消耗

Saving water means cutting water consumption.

New words：

consume [kənˈsum] v.消耗；吃；毁灭；烧毁

详细词源拆解：

前缀 con- = 完全、彻底（加强语气）
词根 sumere = 拿、取、花费、占用（拉丁语）
词根变体：sum / sume

组合逻辑：

→ con- (彻底) + sume (拿取 / 用掉)
→ 全部拿光、用光 → 消耗；耗费；吃光；烧毁

词汇家族：

consume (v. 消耗) → consumption (n. 消耗) → consumer (n. 消费者)

必记高频搭配

consume energy / fuel 消耗能源 / 燃料

Cars consume a lot of fuel.

consume time 耗费时间

Watching TV may consume too much time.

be consumed by fire 被大火吞噬

The building was consumed by fire.

New words：

fossil /ˈfɒsl/ n.化石；老人；老古董

必记高频搭配

fossil fuel 化石燃料（煤、石油、天然气）

Burning fossil fuels produces greenhouse gases.

plant/animal/dinosaur fossils 植物 / 动物 / 恐龙化石

This museum has many ancient plant fossils.

New words：

fuel /ˈfjuːəl/
n.燃料；燃油；汽油；油料
v.(给…)加油；加燃料

核心逻辑：

→ 原本指用来生火的木柴
→ 后来泛指一切能燃烧提供能量的东西 → 燃料
作动词：给… 加燃料 → 给… 提供动力；加剧；刺激

Sample Sentences

Plants can be used as fuel.

His words added fuel to the fire.

Burning fuel causes air pollution.

We should try to reduce fossil fuel consumption.

We should develop clean fuels to protect the environment.

fossil /ˈfɒsl/ n.化石；老人；老古董

consumption /kənˈsʌmpʃn/ n. 消费；(能量、食物或材料的)消耗，消耗量；

New words：

enthusiasm [ɪnˈθuziˌæzəm] n. 热情；热忱；热心；热衷的事物

通常作不可数名词，一般不加 s

必记高频搭配

have enthusiasm for… 对…… 有热情

He has great enthusiasm for painting.

with enthusiasm 热情地；满腔热忱地

We should study with enthusiasm.

full of enthusiasm 充满热情

She is always full of enthusiasm.

lose enthusiasm 失去热情

Don’t lose enthusiasm for life.