Construction operator
[电] 结构算子
🧩 词语组成解析
🗣️ 情景例句
It is.
是的。
Who answers suddenly knows little.
答得迅速，懂得不多。
or through hiring it, the total expense can be far less than the cost of hotels.
总费用算起来要比住旅馆开支少得多。