Doubler
n. 倍压器, 倍频器\\n[计] 倍加器
🗣️ 情景例句
What was your graduation thesis on?
你毕业论文是什么题目？
I can't recall how long it's been.
我不能记起多长时间了。
Have you ever put your trousers in the washing machine and then remembered there was a large bank note in your back pocket?
你有没有把裤子塞洗衣机，然后又想在裤子的后兜有一张大面值的纸币？