Heterostemonous
异型雄蕊的
🗣️ 情景例句
Who am I, you old rascal?
我是谁 ？你这个老玩童。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。