to test a product before official release
在正式发布之前测试产品
"We are going to beta test our app next week."
"我们将在下周进行我们的应用程序测试。"
to be working or responsible for something at a certain time
to feel disappointed or sad suddenly
only what one sees can be believed; things must be experienc...
attempting to obtain sensitive information by disguising one...
A person who is overly idealistic, unrealistic, or impractic...
A peaceful period before a difficult situation or conflict a...
