Positive incidence
[计] 正向关联
🧩 词语组成解析
positive
['pɑzətɪv]
adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的;
n. 正面;正片;[语]原级形容词;[数]正量;
posit肯定+ive形容词后缀 → 肯定的；积极的
incidence
['ɪnsɪdəns]
n. 发生率;影响范围;[数]关联，接合;[物]入射，入射角;
in 加“使…”、“作…” + cid + ence 表示性质、状态、行为、义同-en → n.发生率，发病率
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
I would like to call a plumber to come this afternoon.
我要叫一个水管工人今天下午来。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。