Rectigon
热离子二极管
🗣️ 情景例句
Do you have to act like that?
你非得那么做吗？
She is a reliable assistant.
她是个可信赖的助手。
enterprising settlers unwisely introduced the European rabbit.
一些有创业精神的移民不明智地把欧洲兔子引进了澳大利亚。