Delineator
n. 描写的人, 描绘器, 裁剪用图样
✅ 同义词
🗣️ 情景例句
Nothing.
没有什么。
The houses downtown are very expensive.
市区的房子很贵。
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%。