Quadrivalvular
[医]四裂爿的, 具四瓣的
🗣️ 情景例句
I'm happy to have this chance to meet with you. Mr. Howard Yang.
杨先生，非常高兴能有机会认识你。
Please speak a litter louder.
请大声一点。
They're blue.
是蓝色的。