Bitermitron
双端管(M型非重 入返波正交场放大管)
🗣️ 情景例句
Where is your family from?
祖籍在哪里？
I have no idea.
我不知道。
Appreciation of sculpture depends upon the ability to respond to form in three dimensions.
对雕塑的鉴赏力取决于对立体的反应能力。