Plastacele
粉状醋酸纤维素
🗣️ 情景例句
You can't believe all these ads.
你不能全信广告。
A spot is most seen on the finest cloth.
最清洁的布上，污点特别显眼。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。