🧩 词语组成解析
[化] 白栎皮; 栎
🗣️ 情景例句
How are you?
你好吗？
The homework took me a whole day.
做家庭作业花了我一整天的时间。
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%。