Undervulcanization
欠硫化
🗣️ 情景例句
Can I call you sometime?
我能给你打电话吗？
A heavy snow promise a good harvest.
瑞雪兆丰年。
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。