Quadrivalvular
[医]四裂爿的, 具四瓣的
🗣️ 情景例句
What was that about?
说些什么？
If wise men play the fool, they do it with a vengeance.
智者干傻事，愚蠢到极点。
For most of the earth's history they have been the only form of life on our planet.
在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。