operator

The heavy crane operator carefully lifted the steel beams to the top of the skyscraper.

(Chinese) 重型起重机操作员小心地将钢梁吊装到摩天大楼的顶部。

In the early days of telecommunication, telephone operators manually connected every call.

(Chinese) 在电信发展的早期，电话接线员手动接听并连接每一个电话。

The plus sign is the mathematical operator used for addition.

(Chinese) 加号是用于执行加法运算的数学运算符。

If you use the wrong operator in your code, the computer will calculate the wrong result.

(Chinese) 如果你在代码中使用了错误的运算符，电脑会计算出错误的结果。