Quadrupler
[计] 四倍器, 乘装置
🗣️ 情景例句
It's not a bad plan.
这是个不错的计划。
When do you get up everyday?
每天你几点起床？
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。