Emergency (power) supply
[化] 应急动力源; 应急电源; 事故电源; 保安电源
🧩 词语组成解析
supply
[sə'plaɪ]
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
🗣️ 情景例句
Here you are. You can keep the change.
给你。零钱不用找了。
Two is company, but three is none.
两人成为伴，三人不结侣。
She owes her good health to her regular life.
她把健康归功于规律的生活。