Dicarboxylcellulose
二羧基纤维素
🗣️ 情景例句
I haven't seen you for a long time.
很久没见了。
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
In the last act, a gaoler would always come on to the stage with a letter which he would hand to the prisoner.
在最后一幕中，狱卒手持一封信上场，然后将信交给狱中那位贵族。