Conservation equation
[计] 守恒方程
🧩 词语组成解析
🗣️ 情景例句
Excuse me, do you know...?
打扰一下，你知道...？
I learned English this morning.
我今天早上学英文。
When we talk about the universe, we mean the earth, the sun, the moon and the stars, and the space between them.
人们谈论宇宙时，是指地球、太阳、月亮、星星以及它们存在的空间。