Oaa
abbr. oxaloacetic acid 酰基乙酸
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
Mary is in her freshman year.
玛丽大学一年级。
Shooting. Do you like shooting?
射击。你喜欢射击吗？