Dextrangel
葡聚糖凝胶
🗣️ 情景例句
She is busy now.
她正忙着呢。
How people design computer games is beyond me.
我不懂得电脑游戏是怎么设计的。
I repeated my question several times and at last he understood.
我把问话重复了很多遍。他终于听懂了。