Multilevel operation
[计] 多级操作
🧩 词语组成解析
multilevel
['mʌltəˌlevəl]
n. 多级;多层次;
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
My sister is the oldest.
我的姐姐是最大。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。