Stand-by facility
[计] 备用设备, 备用设施
🧩 词语组成解析
stand
[stænd]
n. 台，看台;立场;停止;抵抗;
vi. 站立，起立;竖直放置;保持看法;停滞;
vt. 使站立;忍受;抵御;承担责任;
vt.& vi. 站立，（使）直立，站着;
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起，我就一直发高烧。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。