artificial extremities的用法和樣例：
例句
- Fitted with the artificial leg, he walked unsteadily at first,but with practice his steos became steady.
裝了假肢，他起初走路走不穩，但經(jīng)過(guò)鍛煉他的步子穩了。 - Our factory has spared no cost to manufacture artificial limBs in order to serve disaBled people.
本廠(chǎng)不惜工本制造假肢，為殘疾人服務(wù)。
