Evacuation of vacuum tube
[电] 真空管的抽空法
🧩 词语组成解析
evacuation
[iˌvækju'eiʃən]
n. 撤空;撤离;撤退;疏散;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I look forward to seeing you and Harry and Michelle.
我等着见 Harry和Michelle。
Do you swear to tell the truth, the whole truth, and nothing but the truth?
你发誓据实陈述而决无谎言吗？
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。