Dimethylane
二甲蓝
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
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。