Hand-operated
[化] 用手操作的
🧩 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;
a. 操作的
🗣️ 情景例句
Do you think it's too long?
你会不会觉得太长了？
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
They will hardly know which facts to select from the great mass of evidence that steadily accumulates.
对于逐渐积累起来的庞大材料，他们几乎不知道选取哪些好，