🧩 词语组成解析
abbr. 电声额定系统（Electro-Acoustic Rating System）
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
I bought it at half price.
我花了半价买来的。
My employer will confirm that I was there on time.'
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