长途驾驶前，我们最好在后备箱里放些备用零件以防万一。

Before a long drive, we'd better keep some ___spares in the trunk just in case.

你有备用钥匙吗？我的找不到了。

Do you have a ___spare key? I can't find mine.

这位长跑运动员身材修长，几乎没有多余的脂肪。

The marathon runner has a tall and ___spare physique with almost no extra fat.

法官决定宽恕这个年轻的罪犯，给他改过自新的机会。

The judge decided to ___spare the young offender and give him a chance to reform.

你能抽几分钟时间给我解释一下吗？

Can you ___spare me a few minutes to explain?