Hydrotreating
[机] 氢化处理
🗣️ 情景例句
He was my roommate in college.
他是我大学时的室友。
He is also very fond of playing tennis and manages to find time for a game twice a week.
他非常喜欢打网球，每周总要抽时间打两次。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。