Dichloroacetylene
[化] 二氯代乙炔
🗣️ 情景例句
Hi, Mr. Stewart.
嗨， Stewart 先生。
Why don't you turn off the stupid program?
何不把无聊的节目关掉？
Later a neighbour told me about him.
后来，一位邻居告诉了我他的情况。