Xanthine
n. 黄质, 黄嘌呤\\n[化] 黄嘌呤
🗣️ 情景例句
And thanks, Dad.
谢谢你， 爸爸。
If you're not sure how to do is, ask me.
假如你拿不准怎样做，就来问我好了。
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。