Calefaction
[机] 发暖作用
🗣️ 情景例句
He goes to high school.
他在上高中。
He wants to change his appointment from Monday to Wednesday.
他想要把他的约会从星期一改到星期三。
So far, no man has travelled farther than the moon, but spaceships without people have reach other parts of the universe.
到目前为止，尚未有人到过比月球更远的地方，但无人驾驶的宇宙飞船已到达过宇宙的其它地方。