🧩 词语组成解析
abbr. 电声额定系统（Electro-Acoustic Rating System）
🗣️ 情景例句
we don't have to.
我们不必勉强。
In university, students are trained to become lawyers and dentists.
大学的学生被训练成为律师和牙医。
There is a journalist and writer living in America whose name is Alex Haley.
有一位住在美国的记者兼作家，名叫亚历克斯·哈利。