Hand calculator
[计] 手动计算器
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
🗣️ 情景例句
You're right. I'll change it.
你说得对，我会把它改一下。
It won't happen again.
下不为例。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”