Cellacefate
[化] 纤维醋法酯
🗣️ 情景例句
It's a bargain.
真是大廉售。
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。