Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
The soundtrack from Lord of the Rings has truned into a big hit.
《指环王》的原声唱片卖得满堂红。
Could you tell me where is the elevator?
你能不能告诉我电梯在哪里？
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。