Occ
abbr. 开路特性（Open Circuit Characteristic）；偶然的（等于occasional）
🗣️ 情景例句
Yes, I think so.
对，我想是的。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
It was my aunt Lucy.
是我姑母露西打来的。