Celcos
[美]塞尔科斯(大部分皂化的醋酯纤维)
🗣️ 情景例句
It's not over yet.
还没有完呢。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
may have left an automatic messenger behind to await the possible awakening of an advanced civilization.
很可能会在离开太阳系时留下自动化信息装置，等待先进文明的觉醒。