Audion
n. [电子]三极管
🗣️ 情景例句
We prepared some tuna fish
我们准备了鲔鱼
Do you have a coin for the phone?
你有打电话的硬币吗？
In the 1970s, computers were common enough, but only in big business, government departments, and large organizations.
在70年代，计算机已经相当普及了，但只用在大公司，政府部门和大的组织之中，