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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.

New words:

enthusiastic [ɪnˌθuziˈæstɪk] adj. 热情的;热心的;热衷的;极感兴趣的


必记高频搭配

be enthusiastic about… 对…… 热心 / 热衷

She is enthusiastic about environmental protection.

an enthusiastic fan 狂热的粉丝

He is an enthusiastic football fan.

enthusiastic support 热情的支持

We received enthusiastic support from our classmates.

enthusiastic attitude 积极热情的态度

He has an enthusiastic attitude toward study.

作文加分替换:

very interested → enthusiastic
warm-hearted → enthusiastic

New words:

enthusiast /ɪnˈθjuːziæst/ n. 热衷于… 的人;爱好者;发烧友

详细词源拆解:

前缀 en- = in,在… 里面
词根 theo/the = 神(来自希腊语 theos = god)
后缀 -iast:表示 热衷于… 的人

词源故事:

古希腊原指 “被神附体、充满神性灵感” 的人,
后来词义弱化,变成 “充满热情、狂热喜爱某事的人”

组合逻辑:
→ en- + theos (神) → 被神充满 → 极度热情 → 热衷者;爱好者

词汇家族:

enthusiast(n. 爱好者)→ enthusiastic(adj. 热情的)→ enthusiasm(n. 热情)

必记高频搭配

a sports enthusiast 运动爱好者

The club welcomes all sports enthusiasts.

a music enthusiast 音乐爱好者

My brother is a music enthusiast.

a fitness enthusiast 健身爱好者

She is a fitness enthusiast.

an art enthusiast 艺术爱好者

The museum is popular among art enthusiasts.

作文替换:

a fan of… → an enthusiast of…(更高级)

New words:

emission [iˈmiʃ(ə)n] n.排放;辐射;排放物;


必记高频搭配

carbon emissions 碳排放

We must reduce carbon emissions to protect the earth.

harmful gas emissions 有害废气排放

Factories should control harmful gas emissions.

reduce / cut emissions 减少排放

More people choose buses to cut emissions.

New words:

emit [ɪˈmɪt] v.发出;散发;排放(气体、光、热、声音等)

详细词源拆解:

前缀 e- = ex-:来自拉丁语 ex-,表示 out 向外、出来
词根 mit:来自拉丁语 mittere,表示 send 送、投掷、派遣

组合逻辑:

→ e- (out) + mit (send)
→ send out 送出去、排出去、释放出来
→ 引申为:排放;散发;发出(光、热、气、声)

词汇家族:

emit(v. 排放)→ emission(n. 排放)→ mission(派遣)→ transmit(传输)

必记高频搭配

emit harmful gases 排放有害气体

Factories emit harmful gases into the air.

emit smoke 冒烟

The car emits black smoke.

emit light / heat 发光 / 发热

The sun emits light and heat.

emit carbon dioxide 排放二氧化碳

Burning fuels emits carbon dioxide.

fuels [ˈfjuːəl] n.燃料;燃油;