Polystichalbin
耳蕨白素
🗣️ 情景例句
We have a real hard-nosed boss.
我们老板真的很固执。
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
So far, no man has travelled farther than the moon, but spaceships without people have reach other parts of the universe.
到目前为止，尚未有人到过比月球更远的地方，但无人驾驶的宇宙飞船已到达过宇宙的其它地方。