He misplaces his reading glasses with such regularity that aides carry extras.
他老是记不起把自己阅读时用的放大镜放在什么地方，所以助手们会随身携带备用的。
He could have taken a spare key.
他本该带上一把备用钥匙的。
"Highly inflammable," it says on the spare canister.
备用罐上写着“高度易燃”。
The wagons carried spare ammunition.
大货车载着备用的弹药。
Every part of the system has a backup.
系统的每个部分都有备用元件。
The hospital has an auxiliary power system in case of blackout.
这家医院装有备用发电系统以防灯火管制.
Take a spare tire along in case of need.
带个备用轮胎去,以备不时之需.
This was sod's law: when the spare tyre is in use, you will have a puncture.
这真是墨菲法则：一用备用轮胎，保准扎孔。
The hospital has a backup generator in case there is a power failure.
医院有备用发电机以防停电.
The dark green spare bedroom is in total contrast to the lightness of the large main bedroom.
墨绿色的备用卧室与宽敞明亮的主卧室形成了巨大的反差。
Adjust, level, light check , fire three, and bracket shots for insurance.
调整, 对好, 核对光线, 拍三张照, 再照几张备用作为保险.
On its way to the standing - galley Tilbury's notice got pied.
提尔伯里的讣告字版送到备用架上的时候,被弄乱了.
I might need a spare set of clothes.
我可能需要一套备用的衣服。
His backup parachute also failed.
他的备用降落伞也坏了.
Now he had six reserve coils of line.
他现在有六卷备用钓索了.