Xa
abbr. 辅助放大器（Auxiliary Amplifier）
🗣️ 情景例句
He is in trouble all the time.
他总是有麻烦。
He is rich enough who owes nothing.
无债就是富。
They had become the victims of commercialization, for their names had acquired a market value.
他们成了商业化的受害者，因为他们的名字具有了市场价值。