So far there is no effective way to get rid of it, but a new study suggests an answer may lie in the stomachs of some hungry worms.
到目前为止, 还没有有效的方法来消灭它, 但是一项新的研究表明, 答案可能在于一些饥饿的蠕虫的胃里。
2018北京卷
While much of the debate so far has been focused on the safety of driverless cars(and rightfully so), policymakers also should be talking about how self-driving vehicles can help reduce traffic jams, cut emissions(排放) and offer more convenient, affordable mobility options.
尽管迄今为止, 大部分争论都集中在无人驾驶汽车的安全性(理应如此),政策制定者们也应该谈论如何自动驾驶汽车可以帮助减少交通堵塞,减少排放、并提供更方便、更实惠的移动选项。
2018北京卷
These animals typically live between the surface of the ocean and a depth of about 3, 300 feet—as far as most light can reach.
这些动物通常生活在海洋表面和大约3300英尺深的地方——这是大多数光线所及之处。
2015北京卷