spare

/spɛr/

adj./v. 備用的；空閒的；騰出
- Always keep a spare key with a neighbor you trust. 一定要把一把備用鑰匙交給你信任的鄰居保管。

其他意思

adj. 多餘的, 備用的, 空閒的

You use spare to describe something that is the same as things that you are already using, but that you do not need yet and are keeping ready in case another one is needed.
- If possible keep a spare pair of glasses accessible in case your main pair is broken or lost
v. 騰出, 省下, 饒恕

If you have something such as time, money, or space to spare, you have some extra time, money, or space that you have not used or which you do not need.
- You got here with ninety seconds to spare
n. 備用品

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