Occ
abbr. 开路特性（Open Circuit Characteristic）；偶然的（等于occasional）
🗣️ 情景例句
Please, use the phone.
请打吧。
The farthest way about is the nearest way home.
欲速则不达。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。