Compound a
[医] 化合物A,11-脱氢皮质(甾)酮
🧩 词语组成解析
🗣️ 情景例句
You do a pretty good job on the Riverdale High School paper.
你在Riverdale高中校刊做得有声有色。
He has been to America.
他去过美国。[曾经有过的经验]
Thanks to space satellites, the world itself is becoming a much smaller place and people from different countries now understand each other better.
由于有了宇宙卫星，世界在变得小多了，来自不同国家的人现在彼此更了解了。