Microoscillator
微型振荡器
🗣️ 情景例句
running for the school board.
竞选联合校董会董事。
Buck up, Billy, Enjoy yourself.
振作起来，比利，快快活活地过日子。
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展厅中央是装有彩色灯泡的许多高高的构件，