一道语法

richard_zhang

To form a silicate glass,the liquid from which it is made must be cooled  rapidly enough to prevent it crystallization.

请问哪个错了？怎么改？

谢谢！

likui

D it :it from

prevet sth./sb from sth/doing

谢谢。

snow_mountain

楼主, 请按格式发帖. 谢谢配合.

richard_zhang

恩,谢谢,!!