Reser
abbr. Reentry System Evaluation Radar 重返大气层系统鉴定雷达
🗣️ 情景例句
Not much.
马马虎虎吧。
What the eye does not see, the heart does not grieve over.
眼不见，心不烦。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，