Santenone
檀烯酮
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，