Naphthinduline
萘对氮蒽兰
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
What's your favorite musical instrument?
你最喜欢的乐器是什么？
Sorry! I think we had them for lunch. We must get some more tomorrow.
对不起！我想我们中午吃掉了。我们明天得再买一些。