If possible keep a spare pair of glasses accessible in case your main pair is broken or lost.
如有可能留一副备用眼镜以防你常用的那副打碎或丢失。
A spare part; a spare pair of sneakers.
备用的一部分；一双预备的运动鞋。
I wondered if you needed a spare pair of sheets.
我想问问你是否需要两条备用床单。
He picks up a spare pair of boots and pulls out C-Note’s five hundred dollars. But that doesn’t stop him.
他找到一双备用靴子，从中拿出C-Note的500美元。
To spare yourself unwanted bacteria exposure, wear a pair of socks during your promenade through the screening machines.
为了远离那些讨厌的细菌，在通过扫描机器的时候穿双袜子。
There's a cat living in Chicago with an even bigger pair of spare ears.
无独有偶，美国芝加哥也有一只四耳猫，它多余的两只耳朵甚至比Luntik的还要大。
Breaker and contactor should have one pair of spare contacts so that signals can be sent to the control system.
断路器和接触器应至少有一对备用触点以便向控制系统传送信号。
Breaker and contactor should have one pair of spare contacts so that signals can be sent to the control system.
断路器和接触器应至少有一对备用触点以便向控制系统传送信号。
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