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
This spring is the origin of the brook.
这泉水是那条小河的源头。
I couldn't believe my ears.
我真的不敢相信。
The boat is not safe, said Ah Fang. Let's pull it out of the water.
“这船不安全，”阿芳说，“让我们把它从水里拉出来吧。”