Xa
abbr. 辅助放大器（Auxiliary Amplifier）
🗣️ 情景例句
We hope so! It's always good to work with you, Tom.
希望如此！汤姆，和你们合作总是很愉快。
A wise head makes a close mouth.
智者寡言。
Once there was an old tiger.
从前有一只年迈的老虎。