Chf
abbr. 充血性心力衰竭（congestive heart failure）
🗣️ 情景例句
You can sit down now.
现在你可以坐下了。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
Merry Christmas and best wishes for the New Year!
圣诞快乐，并致以新年的良好祝愿！