Xa
abbr. 辅助放大器（Auxiliary Amplifier）
🗣️ 情景例句
And so...
所以……
Can I take a rain check?
你能改天再请我吗？
That wasn't very clever! And you'd better take the shopping basket with you, too! said Mother.
“那是不够明智的！你最好顺便把购物篮子也带去！”妈妈说。