Positional number
[计] 按位记数数
🧩 词语组成解析
a. 位置的, 地位的
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
Experience is the best teacher.
经验是良师。
I had to think of a way of preventing him from following me around all morning.
我得想办法不让他整个上午缠着我。