Polyetherchloride
[化] 聚氯醚
🗣️ 情景例句
That's Mr. Steven Lu, from Taipei?
您是Steven Lu，从台北来的？
To sleep forever
永远安眠
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。