Optimistical
a. 乐观的, 乐观主义的
✅ 同义词
🗣️ 情景例句
She's very pretty.
她很漂亮。
Thank you very much for giving us your valuable time.
我们占用了你宝贵的时间，非常感谢。
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%。