Normal incidence
[化] 正入射
🧩 词语组成解析
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
Guess what?
你猜怎么的？
From which station does the train leave?
这列火车从哪个站开出呢？
Here was a seven-year-old girl who at the age of 19 months had become deaf and blind.
一个7岁的女孩，出生19个月后就得了聋盲症。