Fortification spectra
[医] 闪光暗点
🧩 词语组成解析
fortification
[[ˌfɔ:tifi'keiʃən]]
n. 筑城, 防御工事, 要塞
spectra
['spektrə]
n. 范围，光谱;光谱( spectrum的名词复数 );波谱;范围;系列;
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
A spot is most seen on the finest cloth.
最清洁的布上，污点特别显眼。
The dentist is very busy at the moment.
牙科医生这会儿很忙。