Plitron
[电] 高度真空管
🗣️ 情景例句
No, no. But I do have very close friends in New York City.
没有。我在纽约有很要好的朋友。
The doctor said I looked pale.
医生说我看起来很苍白。
I wrote: Best wishes for Teachers' Day!
我写道：“谨致以教师节的良好祝愿！”