Archivolt
n. [建]拱门饰, 拱门内侧的穹窿
🗣️ 情景例句
I'm pleased to meet you, Mr. Peter.
皮特先生，很荣幸认识你。
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功，我们今年已把工厂扩展了两倍。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。