Predeterminer
n. 前置限定词, 前置限定成分
🗣️ 情景例句
We are four in all.
我们家共有四口人。
Shall I come by early to help you get ready?
我提早一点来，帮忙准备宴会好吗？
it cannot judge distances, depths.
不会判断距离和深度。