Quadrivalvular
[医]四裂爿的, 具四瓣的
🗣️ 情景例句
About one month. I'm just sightseeing.
大约一个月。我只是观光旅游。
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
Li Lei.
李垒。