Immunoregulation
n. 免疫调节
🗣️ 情景例句
about the first Thanksgiving.
第一次感恩节历史剧。
She is very well, thank you.
她很好，谢谢。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。