Acoustic efficiency
[机] 声音效率
🧩 词语组成解析
acoustic
[ə'ku:stik]
adj. 听觉的;声学的;原声的;音响的;
🗣️ 情景例句
Success amply rewarded his efforts.
成功使他的努力得到应有的回报。
Where am I supposed to pay the excess train fare?
我应该在哪里补票？
'And a woman can't have too many hats,' she answered.
“女人有多少帽子也不嫌多。”她回答。