Obm
abbr. 自创品牌（Orignal Brand Manufactuce）；[冶]底吹纯氧转炉炼钢（Oxygen bottom-blown Maxhuette）
🗣️ 情景例句
He had insufficient sleep.
他睡眼不足。
Beyond this ocean lies the rich subcontinent of India.
海的那一边有富饶的印度次大陆。
I'll just play it by ear.
我到时随机应变。