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

New words：

visible /ˈvɪzəbl/ adj.看得见的；可见的；明显的；能注意到的

必记高频搭配

clearly visible 清晰可见的

The top of the mountain is clearly visible today.

barely visible 几乎看不见的

The word on the blackboard is barely visible.

visible light 可见光

We can only see visible light with our eyes.

visible change 明显的变化

There has been a visible change in his study habits.

make…visible 使…… 看得见

The map makes the key places visible.

New words：

vision /ˈvɪʒn/ n.视野；视力；想象力；远见

必记高频搭配

good eyesight / good vision 好视力
Good vision is very important for our study and life.

protect one’s vision 保护视力
We should do eye exercises to protect our vision.

lose one’s vision 失明；丧失视力
The old man lost his vision in an accident.

a person of vision 有远见的人
A successful leader is always a person of vision.

have a vision of… 想象；展望
She has a vision of a better future.

New words：

visual /ˈvɪʒuəl/ adj.视力的；视觉的；可视化的

详细词源拆解：

vis / vid = 看（来自拉丁语 videre = see 看）
-ual = 形容词后缀
整体逻辑：看的 → 视觉的；看得见的

词汇链：

see → vis → visual（视觉的）→ vision（视力；视野）→ visible（看得见的）

必记高频搭配

visual effect 视觉效果

Good visual effects make the movie more interesting.

visual aids 视觉教具；辅助工具

Teachers use visual aids to make classes easier to understand.

visual health 视觉健康

Spending too much time on screens is bad for our visual health.