Serolysin
血清溶素
🗣️ 情景例句
Yes?
怎么？
Do not cut down the tree that gives you shade.
不要忘恩负义。
Yesterday, a pigeon carried the first message from Pinhurst to Silbury.
昨天，一只鸽子把第一封信从平赫特带到锡尔伯里。