🧩 词语组成解析
abbr. 电声额定系统（Electro-Acoustic Rating System）
🗣️ 情景例句
or else my father will get really angry.
要不然我爸爸会很生气。
He often fails to keep his word.
他常常不遵守诺言。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。