mechanical finger的用法和樣例：
例句
- There are also two mechanical pilots to take charge if the human pilots cannot fly the plane.
如果飛行員不能駕駛飛機了，還有兩個(gè)機械手可以接替。 - Today's advanced medicine can already use a mechanical hand to perform important operations on patients.
現在進(jìn)步的醫學(xué)已經(jīng)能夠運用機械手為病人做重大手術(shù)。
