Conservation equation
[计] 守恒方程
🧩 词语组成解析
🗣️ 情景例句
What time will the plane land?
飞机在什么时间降落？
A bit in the morning is better than nothing all day.
略有胜于全无。
She's not feeling well. I told her to stay in bed till tomorrow.
她感觉不好。我叫她在床上躺着，一直到明天。