Hidam
[计] 分层索引直接存取法
🗣️ 情景例句
Three cheers for Ms Li.
给李小姐三声欢呼！
If he doesn't tell him, I will.
如果他不，我将告诉他。
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。