Centerless grinding machine
[机] 无心磨床
🧩 词语组成解析
[计][修]无中心
a. 刺耳的, 沉重的, 剧烈的\\n[化] 研磨; 磨碎
🗣️ 情景例句
Even when I have a cold, I still have a good appetite.
我就是感冒了，胃口也照样很好！
You must go easier on yourself; you look exhausted.
你不可以太勉强，你的身体似乎太疲劳了。
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%。