Estiatron
[电] 静电聚焦行进波管的特别形
🗣️ 情景例句
Birds of a feather flock together.
物以类聚。
I can't express how happy I am that you have come.
我无法说出来了我是多么高兴。
he could no get his arm out.
他的胳膊反倒退不出来了。