Chondromucoprotein
软骨粘蛋白质
🗣️ 情景例句
lots of things to do.
许多事情要做。
The longest day has an end.
天下没有不散的盛筵。
We'd better not just talk; let's go to the river to bathe.
我们最好别光顾说了；咱们去河里游泳吧。