mountainous

柯林斯词典

1. ADJ A mountainous place has a lot of mountains. 多山的
...the mountainous region of New Mexico. …新墨西哥州的多山地区。
2. ADJ You use mountainous to emphasize that something is great in size, quantity, or degree. 巨大的; 大量的[ADJ n] [强调]
The plan is designed to reduce some of the company's mountainous debt. 制定这个计划是为了减少该公司的一部分巨额债务。