Isonitroso
异亚硝基
🗣️ 情景例句
in the public school
在公立学校中
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？