Cvn
[医][=central vein nutrition]中心静脉营养
🗣️ 情景例句
for opening their home to me.
为我敞开大门。
You are right!
答对了。
What?Speak up. Penny.I'm afraid I can't hear you.
什么？彭妮，大声一点。我可听不见你念的。