Ostemia
[医] 骨充血
🗣️ 情景例句
Give it a try.
试试看。
I go out for lunch at about 12:30.
我在大约12:30去外面吃午餐。
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，