Stand-by pump
[化] 应急泵; 备用泵
🧩 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;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
That sounds fantastic. Where do I go to sign up for that tour?
那听起来好极了。我到哪里去报名参加呢？
It's a pencil.
那是一枝铅笔。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。