Neradol
合成鞣剂
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
Learning makes a good man better and ill man worse.
知识能使好人更好，坏人更坏。
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。