Nitrosodimethylaniline
亚硝基二甲基苯胺
🗣️ 情景例句
She is not able to take your call at the moment.
她现在没办法接你的电话。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
Thank you very much.
非常感谢。