Backing memory
[计] 后备存储器
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Five?
5号
How long have you had it?
你得这病多久了？
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！