Methasam
[商]二甲基二硫化氨基甲酸锌(橡胶硫化促进剂)
🗣️ 情景例句
Thank you, sir.
多谢，先生。
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
Many people think that Canadians all over the country speak the same way.
许多人认为加拿大全国人的说法都相同。