Xanthochromium
黄铬基团
🗣️ 情景例句
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
How long will you remain in the United States?
你将会在美国逗留多久？
You can see my father, my mother,and my brother, Jim.
你可以看到我的爸爸，我妈妈，和我的哥哥Jim。