Reflection spectrum
[化] 反射光谱
🧩 词语组成解析
🗣️ 情景例句
No entry.
严禁入内。
You are taller than I am.
你比我高。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。