Positional notation
[计] 按位记数法
🧩 词语组成解析
a. 位置的, 地位的
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
I heard such a funny story this morning.
今天早上我听到一件十分有趣的事。
Her mother died when she was eight years old.
她8岁时母亲就去世了。