Spirostane
螺旋甾烷
🗣️ 情景例句
Wow, dad is cooking, this must be a special occasion.
哇， 爸爸在做饭， 这肯定是一个特别的场合。
Mr. Stone Jones of the United Nations.
来自联合国的世通.琼斯先生。
I determined to lodge a complaint as soon as we arrived.
我决定到目的地就给铁路部门提意见。