地理漫步·世界地理英语30篇（4）

6 / 30

已读 0 / 30 课

波罗的海：面临富营养化的半封闭海域

The Baltic Sea receives freshwater from 250 rivers but exchanges saltwater slowly with the North Sea.
Its low salinity supports unique brackish-water species found nowhere else on Earth.
Agricultural runoff rich in nitrogen and phosphorus triggers massive algal blooms each summer.
Dead zones—oxygen-depleted areas—now cover over 60,000 square kilometers annually.
Fishermen report declining cod stocks linked to warmer, less-oxygenated deep waters.
The Helsinki Commission coordinates pollution reduction across nine riparian countries.
Wetland restoration along coastlines filters nutrients before they reach open water.
New EU regulations limit fertilizer use and mandate buffer strips near waterways.
Citizen science projects map bloom locations using smartphone apps and satellite alerts.
Eco-labeling for sustainable seafood helps consumers support responsible fishing practices.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Dead zones—oxygen-depleted areas—now cover over 60,000 square kilometers annually. 死亡区（缺氧区域）每年覆盖面积超6万平方公里。
The Helsinki Commission coordinates pollution reduction across nine riparian countries. 赫尔辛基委员会协调九个沿岸国家共同减排污染。
Eco-labeling for sustainable seafood helps consumers support responsible fishing practices. 可持续海产品生态标签帮助消费者支持负责任的捕捞实践。

这篇中文题目最接近哪一句？波罗的海：面临富营养化的半封闭海域一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？波罗的海接收250条河流的淡水，但与北海的盐水交换缓慢。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） The Baltic Sea: A Semi-Enclosed Sea Facing Eutrophication How to cook noodles A maths worksheet

Dead zones—oxygen-depleted areas—now cover over 60,000 square kilometers annually.

Dead zones—oxygen-depleted areas—now cover over 60,000 square kilometers annually.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Dead zones—oxygen-depleted areas—now cover over 60,000 square kilometers annually.