Otl
abbr. 无输出变压器（Output Transformer Less）；无输出变压器功率放大器；运转时间记录（Operating Time Log）
🗣️ 情景例句
I've got to explain about it.
我得解释一下此事。
How often did I tell you not to slam the door?
我告诉你多少次不要砰然关门?
We practise entrances and exits.
我们排练登场和退场。