Nitrosomorpholine
[化] 亚硝基吗啉
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
We'll let you know the next time we need to place an order.
下次需要订购时我们会通知你。