API文档地址:
https://eitca.org/cloud-computing/eitc-cl-gcp-google-cloud-platform/getting-started-with-gcp/translating-speech-using-curl/examination-review-translating-speech-using-curl/what-information-should-be-included-in-the-curl-command-to-make-a-request-to-the-translation-googleapis-com-endpoint/#register_panel