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
using as many letters as possible.
尽可能多用字母，
Although the cartons are light and easy to handle, we think it is not strong enough to be shipped.
虽然这些纸箱轻便、易拿，但我们认为它们在运输中不太结实。
Instead of catching fish,they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。