boulder
英 ['bəʊldə]
美['boldɚ]
- n. 卵石，大圆石；巨砾
考试真题
- similar measures in California's Albany, Oakland, San Francisco and Colorado's Boulder are becoming hot-button issues health advocacy groups have hinted that even more might be coming.
2019年12月四级真题（第一套）阅读 Section C
- Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
出自-2015年12月阅读原文
- If you try to push a boulder ( ' , 大圆石 ), it pushes you bock.
出自-2015年12月阅读原文
- If you try to push a boulder, it pushes you back.
2015年12月六级真题（第一套）阅读 Section B
