Vacuum tube

真空管, 电子管\\n[化] 真空管

📖 牛津释义

vacuum tube (US) (Brit radio valve), sealed glass tube with an almost perfect vacuum to enable an electriccharge to pass through, formerly used in radios, televisions,etc 真空管; 电子管.

🧩 词语组成解析

vacuum ['vækjʊəm]
n. 真空;空白;空虚;清洁; v. 用真空吸尘器清扫;
vac空+uum表名词 →空虚；真空
tube [tub]
n. 管，管状物;电子管;地铁;电视机; vt. 把…装管;把…弄成管状;用管输送; vi. 乘地铁;不及格;
tub- 表”管道”

🗣️ 情景例句

How long have you known her?
你认识她多久了？
I will take a cable car.
我将去搭电车。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？
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valuables
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