名词
中文翻译：备用零件
同义词：
['surplus', "leftover例句：1. He found aspare piece of cloth to patch his tornshirt.（他找到了一块布来修补他的破衬衫。）2. The car had a spare pieceof metal to replace the damaged wheel.（这辆车有一个备用的金属片来替换损坏的轮子。）3. She used a sparepiece of fabric to make a new dressfor her friend's wedding.（她用一块备用布料为朋友的婚礼做了一件新裙子。）"]
例句：
-
1. He found aspare piece of cloth to patch his tornshirt.
他找到了一块布来修补他的破衬衫。
-
2. The car had a spare pieceof metal to replace the damaged wheel.
这辆车有一个备用的金属片来替换损坏的轮子。
-
3. She used a sparepiece of fabric to make a new dressfor her friend's wedding.
她用一块备用布料为朋友的婚礼做了一件新裙子。