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
Has poor scholastic record, just got by.
学习成功不够好，仅仅过得去而已。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。