Microoscillator
微型振荡器
🗣️ 情景例句
Well, that's just what I'm going to say.
这正是我需要说明的。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。