Conglutinogen
胶固素原
🗣️ 情景例句
May I make an appointment now?
现在可以预约门诊吗？
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
Sure! But why don't you come with me?
当然可以！但你为什么不同我一起去呢？