Harmol
哈尔酚, 骆驼蓬醇
🗣️ 情景例句
He's a little quiet.
他有点沉静。
In case of fire, keep your head.
万一发生火灾，保持镇定。
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，