Leadwort
n. [植] 白花丹属
✅ 同义词
🗣️ 情景例句
I don't know for sure.
我不太清楚。
There is no royal road to learning.
治学无坦途。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。