Es-
pref. ex-的变体
🧩 词语组成解析
[化] 电子能谱; 电子能谱学; 专家系统\\n[医] 低于模糊意识(低于下意识)
🗣️ 情景例句
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
When did you get married?
你什么时候结婚的？
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，