Precava
n. [动]前腔静脉
🔁 扩展释义
【医】 上腔静脉
🗣️ 情景例句
Thank you.
谢谢。
Good evening,Mrs. Brown.
晚上好，布朗夫人。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。