Ethynes
[化] 炔烃
🗣️ 情景例句
Hello. Mr. Carlson, please.
哈喽 ，请找一下Carlson先生。
It's just around the corner.
转弯就是。
Doctor, I'm not feeling well, she said. I often feel tired.
“医生，我感到不舒服，”她说，“我经常感到疲倦”。