Altax
[机] 促进剂DM, 二硫化二间硫氧
🗣️ 情景例句
Pleased to meet you.
很高兴与你见面。
I really don't know.
我真不知道。
I'm very sorry, sir.You must get off the bus.None of our passengers can change this note.
非常抱歉，先生。您必须下车。我们的乘客中没人能换开这张钞票。