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
No, no.
不 不。
How long will you remain in the hospital?
你将会在医院逗留多久？
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙，而不是等到大学都忙得不可开交的时候。