Tetrane
[化] 丁烷
🗣️ 情景例句
There aren't too many examples of this style of architecture left these days.
现在这种风格的建筑已所剩无几了。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
OK!
好吧！