Thiophane
四氢噻吩, 噻吩烷
🗣️ 情景例句
Oh, here he comes.
噢，他来了。
What's the weather like today?
今天天气如何？
There is a broken small old gray stone bridge over the river.
河上有一座破烂不堪的、古老的、灰色的小石桥。