Velutinin
绒状曲菌素
🗣️ 情景例句
but they probably had other things on their minds.
但他们也许还有其他的事想要做。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！