Methanides
[建] 甲烷化物
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Observation is the best teacher.
观察为良师。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。