Otag
abbr. Office of the Adjutant General (USA) 美国副司令办公室; ozone transport assessment group 臭氧传输评估组
🗣️ 情景例句
I was teaching music,
我当时教音乐，
The chemist is testing enzymes.
化学家在试验着酶。
Yes, I have a small one.
我有一个小的。