docs: improve descriptions

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

apps/emqx/test/emqx_common_test_helpers.erl

@@ -165,7 +165,7 @@ boot_modules(Mods) ->
 
 -spec start_apps(Apps :: apps()) -> ok.
 start_apps(Apps) ->
-    %% to avoid keeping the `db_hostname' that is set then loading
+    %% to avoid keeping the `db_hostname' that is set when loading
     %% `system_monitor' application in `emqx_machine', and then it
     %% crashing when trying to connect.
     %% FIXME: add an `enable' option to sysmon_top and use that to

lib-ee/emqx_ee_bridge/i18n/emqx_ee_bridge_gcp_pubsub.conf

@@ -34,7 +34,7 @@ emqx_ee_bridge_gcp_pubsub {
     connect_timeout {
         desc {
           en: "The timeout when connecting to the HTTP server."
-          zh: "连接HTTP服务器的超时时间。"
+          zh: "连接 HTTP 服务器的超时时间。"
         }
         label: {
               en: "Connect Timeout"
@@ -71,7 +71,7 @@ emqx_ee_bridge_gcp_pubsub {
         }
         label: {
               en: "HTTP Pipelineing"
-              zh: "HTTP 管道"
+              zh: "HTTP 流水线"
             }
     }
 
@@ -93,7 +93,7 @@ emqx_ee_bridge_gcp_pubsub {
         }
         label: {
               en: "Payload template"
-              zh: "有效载荷模板"
+              zh: "HTTP 请求消息体模板"
             }
     }
 
@@ -104,18 +104,18 @@ emqx_ee_bridge_gcp_pubsub {
         }
         label: {
               en: "GCP PubSub Topic"
-              zh: "GCP公共子课题"
+              zh: "GCP PubSub 主题"
             }
     }
 
     service_account_json {
         desc {
           en: "JSON containing the GCP Service Account credentials to be used with PubSub."
-          zh: "包含将与PubSub一起使用的GCP服务账户凭证的JSON。"
+          zh: "包含将与 PubSub 一起使用的 GCP 服务账户凭证的 JSON。"
         }
         label: {
               en: "GCP Service Account JSON"
-              zh: "GCP服务账户JSON"
+              zh: "GCP 服务账户 JSON"
             }
     }