Construction operator
[电] 结构算子
🧩 词语组成解析
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
To fill out
填写
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。