docs: improve descriptions

Co-authored-by: Zaiming (Stone) Shi <zmstone@gmail.com>

apps/emqx_resource/i18n/emqx_resource_schema_i18n.conf

@@ -47,12 +47,12 @@ For bridges only have ingress direction data flow, it can be set to 0 otherwise
 
   resume_interval {
     desc {
-      en: """The interval at which a resource will retry inflight requests."""
-      zh: """资源重试机内请求的间隔时间。"""
+      en: """The interval at which the buffer worker attempts to resend failed requests in the inflight window."""
+      zh: """在发送失败后尝试重传飞行窗口中的请求的时间间隔。"""
     }
     label {
       en: """Resume Interval"""
-      zh: """复职时间间隔"""
+      zh: """重试时间间隔"""
     }
   }