Seabirds
n. 海鸟( seabird的复数形式 )
🗣️ 情景例句
We'll finish the conversation when they go to the museum.
他们去博物馆之后我们再聊。
No, I don't. Will it be a problem?
不，我没有，会有困难吗？
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%。