Heater cathode tube
[电] 旁热式电子管
🧩 词语组成解析
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
My boss does everything by the book.
我们老板一切照章办事。
The noisy fowler catches no bird.
捕禽人大肆声张，鸟儿就不会落网。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。