Sacc
[医][=short arm cylinder cast]短臂柱样模型，短臂管筒石膏，短臂柱样管型
🗣️ 情景例句
Your grandfather went to the Engineering School there.
你爷爷进那个工学院。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。