Hidam
[计] 分层索引直接存取法
🗣️ 情景例句
She's a really fantastic girl.
她真是个了不起的女孩。
He was born with a silver spoon in his mouth.
他生在富贵人家。
The last order didn't work out too well for us.
上回订的货用起来不怎么顺。