Vector expression
[计] 向量表达式
🧩 词语组成解析
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
The many children of that family used to play together for hours.
那一家的孩子们常常大伙一起玩上几个小时。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。