How to use httpclient to receieve data,I can send data but do not how to recieve it?

static void Main(string[] args)
{
    var url = "http://www.cnblogs.com/api/say";
 
    var postData = new Dictionary<string, string>
    {
        { "username", "test" },
        { "words", "hello world" }
    };
 
    var urlEncodedContent = new FormUrlEncodedContent(postData);
    var httpClient = new HttpClient();
    var result = httpClient.PostAsync(url, urlEncodedContent).Result.Content.ReadAsStringAsync().Result;
    Console.WriteLine(result);
}