您要查找的是不是：
- The river has swollen up. 河水上涨了。
- The river has swollen with melted snow. 雪融河涨。
- The river has swelled with the rain. 下雨使河水上涨了。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- The river has been fouled up with oil. 河被石油污染了。
- The river has narrowed down over the past 20 years. 这条河在过去的二十年变窄了许多。
- The river has risen (by) several metres. 河水上涨了好几米。
- My twisted ankle has swollen up to twice its usual size . 我扭伤的足踝已肿得有平常的两倍大。
- The river has three main branches. 这条河有三条主要的支流。
- My twisted ankle has swollen up to twice its usual size. 我扭伤的足踝已肿得有平常的两倍大。
- The river has been polluted by waste products from the factory. 这条河已经受到工厂排放的废料的污染。
- A mosquito has bitten him and his arm has swollen up . 蚊子咬他，他的手臂已经肿胀起来了。
- The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
- The flesh around your ankle had swollen up. 你脚踝部的肌肉已肿了起来。
- The river has gone down to its usual level now that the floods are over. 洪水己经过去，所以河水又退到原来的高度。
- A mosquito had bitten her and her arm had swollen up. 蚊子叮了她, 她的手臂肿起来了。
- The river has narrow down over the past 20 years. 这条河在过去的二十年变窄了许多。
- The river has flooded the meadows. 河水淹没了草地。
- The water in the river has fallen two feet . 河水下落两英尺。
- The river has run over its banks. 河水已溢出了堤岸。
