Underframes
(underframe 的第三人称 -s形式) 底架[框], 底座
🗣️ 情景例句
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
You have a radio,don't you?
你有一台收音机，对吗？
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，