Ears
abbr. 电声额定系统（Electro-Acoustic Rating System）
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
It is easier to pull down than build.
败事容易成事难。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。