Valvulae venae cavae inferioris
[医] 下腔静脉瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
vena的复数
🗣️ 情景例句
Does he know you're here?
他知道你在这 吗？
Thank you for your inquiry, but we cannot make you an offer right now because we are presently unable to obtain appropriate materials.
谢谢贵方询价，但我们不能马上发盘，因为目前我们得不到合适的原料。
Other types of bee make their nests in holes in the ground.
其他种类的蜂在地穴里筑巢。