Spirostan
[化] 螺甾烷
🗣️ 情景例句
I feel rotten about not taking the children out.
我没有带孩子出去觉得很不痛快。
Nice guy!
好家伙！
These ocean waves are among the earth's most complicated natural phenomena,
这些海浪属于地球上最复杂的自然现象。