Backward-wave tube
[电] 回波管
🧩 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
Does Daddy want to move?
爸爸想要搬吗？
It is desirable to apply to good schools.
申请好学校是令人向往的。
Kidnappers are rarely interested in animals, but they recently took considerable interest in Mrs.Eleanor Ramsay's cat.
绑架者很少对动物感兴趣。最近，绑架者却盯上了埃莉诺。拉姆齐太太的猫。