朝鲜再次进行了火箭发动机试验，一位美国官员对路透社表示，美国认为这可能是其开发洲际弹道导弹项目的组成部分。
Copy and paste the embed code below. The code changes based on your selection.
The code has been copied to your clipboard.
Video size
https://www.voachinese.com/a/3911481.html
