Unary operation
[计] 一元运算; 一目运算
🧩 词语组成解析
a. [数]一元的
🗣️ 情景例句
I love the fresh air, the scenery, the exercise, and the time to think.
我喜欢新鲜的空气、景致、运动以及有时间思考。
Industry is fortune's right hand,and frugality her left.
勤勉是幸运的右手，世俭是幸运的左手。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。