Ccf
abbr. cephalin-cholesterol flocculation 脑磷脂-胆固醇絮凝; concentrated complete fertilizer 浓缩复合肥料; congestive cardiac failure 充血性心力衰竭
🗣️ 情景例句
What's troubling you?
你有什么麻烦？
As you all know.
你们知道。
Try and stand up.Can you stand up?
试试站起来。你能站起来吗？