Lyman series
[化] 莱曼系
🧩 词语组成解析
n. 莱曼（男子名）
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
Our new car looks like a dream next to her old car.
跟旁边这些车比较，我们的新车如同一个梦。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；