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
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Packing charges are excluded in the quoted prices.
包装费用未算在报价中。
I have a lot of problems.
我有很多问题。