Backward wave tube
[电] 道波管
🏥 医学释义
返波管
🧩 词语组成解析
wave
[wev]
n. 波浪，波动;挥手;涌现的人（或事物）;汹涌的行动（或思想）态势;
vi. 摇摆，起伏;
vt.& vi. （一端固定地）飘扬;挥手指引;挥动…示意;略呈波形;
vt. 挥手表示;挥舞;使…略呈波形;烫（发）;
🗣️ 情景例句
Have you got any plans for celebrating your birthday?
你计划好怎样庆祝你的生日了吗？
That suit looks very good on you.
那件西装看起来很适合你。
Justice had been done even before the man was handed over to the police.
甚至在那人还没被送交给警察之前，正义就已得到了伸张。