吉姆说他感觉自己像只水獭，因为他喜欢在深水池里转来转去，而且能在水下游很长一段距离。
Jim said he felt like an otter, since he loved to turn and twist in the deep pools and could swim underwater a long way.
固定在壳体出口段，其作用是消除旋涡流，以减小对下游仪表性能的影响。
It is fixed at exit section of the shell to reduce whirling current and thus reduce compact on the performance of instruments of lower reaches.
研究了长江下游南通段河漫滩沉积剖面的粒度和磁化率特征，由此识别出长江下游南通段现代洪水事件。
After analyzing the characteristics of grain size and the susceptibilities of the sedimentary samples, we identified several flood events in the lower reach of Yangtze River.
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