current speed的用法和样例：
例句
- The maximum current speed and SSC occour during spring ebb, and the minimum one occours during neap flood.
最大流速和含沙量都发生在大潮落潮，最小流速和含沙量都发生在小潮涨潮。 - The current slowed abruptly, and he began again to take care lest the waves swamp him.
河水的流速骤然减了下来，他又开始瞟着上面打来的浪头。
