Pyranthrone
皮蒽酮(染料), 阴丹士林金黄G
🗣️ 情景例句
What do your parents do?
你父母是做什么的？
Be a man!
要像个男子汉！
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？