Optg
abbr. operating 操作的，运转的，营业上的
🗣️ 情景例句
Lacks enthusiasm, passive and indifferent.
卸乏热情，不主动且态度冷淡。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-