trondhjemite

例句：

1. 1. The trondhjemite is a type of sedimentary rock that is commonly found in the mountains.
   石英岩是一种常见的沉积岩石，通常在山区发现。
2. 2.The trondhjemite has a hard and durable texture that makes it ideal for construction.
   石英岩具有坚硬耐用的质地，使其成为建筑的理想材料。
3. 3.The trondhjemite is mined from the mountains and used in various industries such as glass manufacturing and ceramics production.
   石英岩从山区开采并用于玻璃制造和陶瓷生产等工业。