Cfi
abbr. 晶体频率指示器
🗣️ 情景例句
So, what were you two talking about?
你们俩刚才谈什么了？
Custom is a second nature.
习惯是第二天性。
This idyllic pastoral scene is only part of the picture.
但这种田园诗般的乡村风光仅仅是一个侧面。