Thiobarbiturates
[医] 硫巴比土酸盐
🗣️ 情景例句
How nice to meet you.
认识你真高兴。
Open your book,please.
请把书打开。
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%。