Mainterance
维持,维护,保养
🗣️ 情景例句
I talked with him, and he understands completely.
我与他谈了 ，他完全了解。
You can't eat your cake and have it.
不能既要吃饼，又要把饼保存。
They discovered that the farther away the feeding station was, the slower the dance was.
他们发现离喂食点越远，蜜蜂就跳得越慢。