Ocd
abbr. 强迫性神经官能症（obsessive-compulsive disorder）；民防局（Office of Civil Defense）；儿童发展处（Office for Child Development）；离线驱动调整（Off-Chip Driver）
🗣️ 情景例句
Get it?
明白吗？
Learn to walk before you run.
循序渐进。
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。