🧩 词语组成解析
abbr. 电声额定系统（Electro-Acoustic Rating System）
🗣️ 情景例句
Floors one to eight are the elevators to the left.
一到八楼上下使用的电梯在左边。
The doctor advised me to get plenty of exercise.
医生建议我多锻练。
I mean it.
我是认真的。