Background knowledge
背景光补偿；背理测验；背景知识
🧩 词语组成解析
🗣️ 情景例句
If I don't accept her offer,
假如我不接受她这个工作机会，
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。