If there was no callback function provided, the send function blocks and waits until the server response arrives, or else it raises HTTP errors.

如果没有提供回调函数，那么send函数阻塞，一直等到服务器响应到达，或者引发HTTP错误。

youdao

If there was no callback function provided, the send function blocks and waits until the server response arrives, or else it raises HTTP errors.

如果没有提供回调函数，那么send函数阻塞，一直等到服务器响应到达，或者引发HTTP错误。

youdao