We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.是什么意思_We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句