Polyyne
聚炔烃
🗣️ 情景例句
The train will be stopping in five minutes.
火车将在五分钟后靠站。
I'm mad about Bruce Lee.
我迷死李小龙了。
Looking into the drawing room, she saw a scene of confusion over by her writing desk.
她往起居室里看去，写字台边一片狼籍。