Sunday，2026.01.11

New words：

positive [ˈpɒzətɪv] adj.积极乐观的；良好的；有把握的；确信；正面的

源自拉丁语 ponere，意为 “放置、安放
由词根 “pon”（放置） + 后缀 “-itive”（形容词后缀）构成，引申为 “确定、肯定”
衍生词围绕 “肯定的、积极的；确定的” 两大核心语义展开

必记高频搭配

1.表 “积极的”（形容态度、想法、影响等）

a positive attitude 积极的态度

Keeping a positive attitude can help you solve many problems.

positive energy 正能量

She always brings positive energy to her friends.

a positive influence 积极的影响

Reading good books has a positive influence on children’s growth.

2.表 “肯定的；确定的”

a positive answer/reply 肯定的答复

He gave me a positive reply that he would come to the party.

be positive about sth 对某事有把握；确信某事
I’m positive about his success in the exam — he studied really hard.

be positive that + 从句 确信……

She is positive that she locked the door before leaving.

3.表 “（医学）阳性的；（数学）正数的”

a positive test result 阳性检测结果

The doctor told him that his COVID-19 test result was positive.

positive numbers 正数

Two plus three is a positive number.

attitude [ˈætɪˌtjuːd] n.态度；看法；