Pdk
[医][=primary dog kidney]原代狗肾（细胞）
🗣️ 情景例句
You want to play charades?
你想玩哑谜？
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
I've got good news.
我有好消息告诉你。