New words：

nutrient [ˈnutriənt] n.养分；营养剂；营养素；营养物；

详细词源拆解：

nutri = 滋养、营养（来自拉丁语 nutrire = 喂养、滋养）
-ent = 名词 / 形容词后缀
逻辑：滋养身体的东西 → 营养物质；养分

词汇家族：

nutrient（养分）→ nutrition（营养）→ nutritious（有营养的）

必记高频搭配

essential nutrients 必需营养素

Our body needs many essential nutrients to keep healthy.

absorb nutrients 吸收养分

Plants absorb nutrients from the soil.

nutrient-rich 富含营养的

Fruits and vegetables are nutrient-rich foods.

provide nutrients 提供营养

Eggs provide important nutrients for our growth.

soil nutrients 土壤养分

Fertilizer can add nutrients to the soil.

essential [ɪˈsenʃ(ə)l] adj.完全必要的；必不可少的；极其重要的；基本的；必需的

New words：

absorbent [əbˈzɔrbənt] adj.能吸收的；有吸收力的

必记高频搭配

absorbent material 吸水性材料

Cotton is a good absorbent material.

absorbent cloth/towel 吸水布 / 毛巾

Please use an absorbent towel to dry the dishes.

highly absorbent 吸水性极强的

This paper towel is highly absorbent.这种纸巾吸水性极强。

New words：

absorption /əbˈzɔːpʃn/　n.吸收（液体、光、热、养分、知识等）;专注；全神贯注 不可数

必记高频搭配

absorption of water/nutrients 水分 / 营养的吸收

The absorption of nutrients helps our body grow strong

absorption of light/heat 光 / 热的吸收

Dark colors help the absorption of heat in cold weather.

absorption of knowledge 知识的吸收

Reading is good for the absorption of new knowledge.

complete absorption in… 全神贯注于……

He read with complete absorption in the story.

nutrient [ˈnutriənt] n.养分；营养剂；营养素；营养物；

New words：

absorbed [əbˈzɔrbd]
v.absorb的过去式和过去分词
adj.全神贯注；专心致志；被…吸引住

必记高频搭配

be absorbed in… 全神贯注于……；专心于……

He is absorbed in his homework.

be absorbed in reading/studying 专心阅读 / 学习

She is absorbed in reading a novel.

look absorbed 看起来很专注

The students all look absorbed in class.

so absorbed that… 如此专注以至于……

He was so absorbed that he forgot to eat dinner.

New words：

absorb[əbˈzɔrb] v.吸收；吸附；吸引；吸取

详细词源拆解：

ab- = 加强意义
sorb = 吸、吸收（拉丁语 sorbere = suck in 吸进去）
逻辑：吸进去 → 吸收；吸引；理解

词汇家族：

absorb → absorbent (adj. 能吸收的) → absorption (n. 吸收) → absorbed (adj. 全神贯注的)

必记高频搭配

absorb water/light/heat 吸收水分 / 光 / 热量

Plants absorb carbon dioxide and release oxygen.

absorb knowledge/information 吸收知识；掌握信息

It’s not easy to absorb so much new knowledge in a short time.

be absorbed in… 全神贯注于……

He is absorbed in reading his favorite book.

absorb one’s attention 吸引某人的注意力

The bright picture absorbed the little boy’s attention.

absorb nutrients 吸收营养

Our bodies need to absorb enough nutrients to grow healthily.

carbon [ˈkɑrbən] n.碳；

dioxide [daɪ'ɒksaɪd] n.二氧化物

carbon dioxide [ˌkɑrbən daɪˈɑkˌsaɪd] n.二氧化碳