Berthelor equation
[机] 贝特洛方程式
🧩 词语组成解析
🗣️ 情景例句
She suffered terribly when her son was killed.
儿子被杀，她痛苦至极。
Have you heard the weather forecast?
你听天气预报了吗？
I'm doing my homework.
我在写作业。