由于玻璃没有明确的熔点，因此大多数种类的玻璃可以在烧热时使用多种技术来塑形，以吹制和模具浇铸两种方法为主。

Since glass has no sharp melting point, most types can be shaped while hot and plastic by many techniques, mostly blowing or molding. See also volcanic glass.

youdao

由于玻璃没有明确的熔点，因此大多数种类的玻璃可以在烧热时使用多种技术来塑形，以吹制和模具浇铸两种方法为主。

Since glass has no sharp melting point, most types can be shaped while hot and plastic by many techniques, mostly blowing or molding. See also volcanic glass.

youdao